gcc/ChangeLog.graphite

   1 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
   4         in loop->header.
   5         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
   6         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
   7         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
   8         to switch between adding the IV bump in loop->latch or in loop->header.
   9
  10 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * passes.c (init_optimization_passes): Add pass_copy_prop
  13         after Graphite.
  14
  15 2010-03-16  Sebastian Pop  <sebastian.pop@amd.com>
  16
  17         * graphite-poly.c (print_scattering_function): Pretty print following
  18         the scoplib format.
  19         (print_pdr): Same.
  20         (print_pbb_domain): Same.
  21         (dump_gbb_cases): Same.
  22         (dump_gbb_conditions): Same.
  23         (print_pdrs): Same.
  24         (print_pbb): Same.
  25         (print_scop_params): Same.
  26         (print_scop_context): Same.
  27         (print_scop): Same.
  28         (print_pbb_body): New.
  29         (lst_indent_to): New.
  30         (print_lst): Start new lines with a #.
  31         * graphite-poly.h (pbb_bb): New.
  32         (pbb_index): Use pbb_bb.
  33         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
  34         disjuncts.
  35         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
  36
  37 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  38
  39         PR middle-end/43351
  40         * gcc.dg/graphite/id-pr43351.c
  41
  42 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  43
  44         PR middle-end/43354
  45         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
  46         call insert_out_of_ssa_copy for default definitions.
  47         * gfortran.dg/graphite/id-pr43354.f: New.
  48
  49 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
  50
  51         PR middle-end/43349
  52         * gfortran.dg/graphite/pr43349.f: New.
  53
  54 2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>
  55
  56         * graphite-clast-to-gimple.c (my_long_long): Defined.
  57         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
  58         * graphite-sese-to-poly.c (my_long_long): Defined.
  59         (scop_ivs_can_be_represented): Use it.
  60
  61 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  62
  63         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
  64         graphite-max-bbs-per-function, and loop-block-tile-size.
  65         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
  66         with "maximum".
  67         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
  68
  69 2010-03-10  Sebastian Pop  <sebastian.pop@amd.com>
  70
  71         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
  72         forward declaration.
  73         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
  74         (add_upper_bounds_from_estimated_nit): New.
  75         (build_loop_iteration_domains): Use it.
  76
  77 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  78
  79         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
  80
  81 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  82
  83         PR middle-end/43306
  84         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
  85         should be an INTEGER_CST.  Also handle CASE_CONVERT.
  86         * gcc.dg/graphite/pr43306.c: New.
  87
  88 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  89
  90         * graphite.c (graphite_initialize): To bound the number of bbs per
  91         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
  92         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
  93         * doc/invoke.texi: Document it.
  94
  95 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
  96
  97         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
  98         * graphite-sese-to-poly.h (build_poly_scop): Same.
  99
 100 2010-03-09  Sebastian Pop  <sebastian.pop@amd.com>
 101
 102         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
 103         the number of parameters in the scop.  Use as an upper bound
 104         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
 105         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
 106         * doc/invoke.texi: Document it.
 107
 108 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 109
 110         * graphite-sese-to-poly.c (add_param_constraints): Use
 111         lower_bound_in_type and upper_bound_in_type.
 112
 113 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 114
 115         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
 116         instead of unsigned_type_node.
 117
 118 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 119             Reza Yazdani  <reza.yazdani@amd.com>
 120
 121         PR middle-end/43065
 122         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
 123         on pointer type parameters.
 124
 125         * gcc.dg/graphite/run-id-4.c: New.
 126
 127 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
 128
 129         PR middle-end/43065
 130         * gcc.dg/graphite/run-id-3.c: New.
 131
 132 2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
 133             Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 134
 135         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
 136         handle conversions from pointer to integers.
 137         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
 138         induction variable, to be able to work with code generated by CLooG.
 139         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
 140         (build_poly_scop): Bail out if we cannot codegen a loop.
 141
 142 2010-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
 143
 144         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
 145         code generation with gloog_error.
 146
 147 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 148
 149         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
 150         Call fold_convert on all the returned values.
 151         (expand_scalar_variables_expr): Pass to expand_scalar_variables_ssa_name
 152         the type of the resulting expression.
 153
 154 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 155
 156         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
 157         ppl_min_for_le_pointset.  Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
 158         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
 159
 160 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 161
 162         * graphite-dependences.c (map_into_dep_poly): Removed.
 163         (dependence_polyhedron_1): Use combine_context_id_scat.
 164
 165 2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>
 166
 167         * graphite-poly.h (struct poly_scattering): Add layout documentation.
 168         (struct poly_bb): Same.
 169         (combine_context_id_scat): New.
 170
 171 2010-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 172
 173         PR middle-end/42326
 174         * sese.c (name_defined_in_loop_p): Return false for default
 175         definitions.
 176
 177         * gcc.dg/graphite/pr42326.c: New.
 178
 179 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 180
 181         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
 182         and clean up the logic.
 183
 184 2010-02-23  Sebastian Pop  <sebastian.pop@amd.com>
 185
 186         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
 187         early return.
 188
 189 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 190
 191         PR middle-end/43083
 192         * graphite-scop-detection.c (create_single_exit_edge): Move
 193         the call to find_single_exit_edge to....
 194         (create_sese_edges): ...here.  Don't handle multiple edges
 195         exiting the function.
 196         (build_graphite_scops): Don't handle multiple edges
 197         exiting the function.
 198
 199         * gcc.dg/graphite/pr43083.c: New.
 200
 201 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 202
 203         PR middle-end/43097
 204         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
 205         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
 206
 207         * gfortran.dg/graphite/pr43097.f: New.
 208
 209 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 210             Manuel López-Ibáñez  <manu@gcc.gnu.org>
 211
 212         PR middle-end/43140
 213         * g++.dg/graphite/pr41305.C: Add -Wno-conversion-null.
 214
 215 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 216
 217         PR middle-end/43026
 218         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
 219
 220         * g++.dg/graphite/pr43026.C: New.
 221
 222 2010-02-13  Tobias Grosser  <grosser@fim.uni-passau.de>
 223
 224         * Merge from mainline (154736:156693).
 225
 226 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
 227
 228         PR middle-end/43012
 229         * gcc.dg/graphite/pr43012.c: New.
 230
 231 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 232
 233         * graphite.c (graphite_transform_loops): Re-enable dbg_cnt.
 234 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 235
 236         * g++.dg/graphite/pr42930.C: New.
 237
 238 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 239
 240         PR middle-end/42930
 241         * graphite-scop-detection.c (graphite_can_represent_scev): Call
 242         graphite_can_represent_init for MULT_EXPR.
 243
 244 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 245
 246         PR middle-end/42914
 247         PR middle-end/42530
 248         * graphite-sese-to-poly.c (remove_phi): New.
 249         (translate_scalar_reduction_to_array): Call remove_phi.
 250
 251         * gcc.dg/graphite/pr42530.c: New.
 252         * gcc.dg/graphite/pr42914.c: New.
 253
 254 2010-02-10  Sebastian Pop  <sebastian.pop@amd.com>
 255
 256         PR middle-end/42771
 257         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
 258         * graphite-clast-to-gimple.h (gloog): Update declaration.
 259         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
 260         * graphite-poly.h (struct poly_bb): Add missing comments.
 261         (struct scop): Add poly_scop_p field.
 262         (POLY_SCOP_P): New.
 263         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
 264         * graphite.c (graphite_transform_loops): Build the polyhedral
 265         representation for each scop before code generation.
 266         * sese.c (rename_variables_in_operand): Removed.
 267         (rename_variables_in_expr): Return the renamed expression.
 268         (rename_sese_parameters): New.
 269         * sese.h (rename_sese_parameters): Declared.
 270
 271         * gcc.dg/graphite/pr42771.c: New.
 272
 273 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 274
 275         * gcc.dg/graphite/block-0.c: Call abort for runtime test.  Always
 276         return 0 from main.
 277         * gcc.dg/graphite/block-1.c: Same.
 278         * gcc.dg/graphite/block-3.c: Same.
 279         * gcc.dg/graphite/block-4.c: Same.
 280         * gcc.dg/graphite/block-5.c: Same.
 281         * gcc.dg/graphite/block-6.c: Same.
 282         * gcc.dg/graphite/block-7.c: Same.
 283         * gcc.dg/graphite/interchange-0.c: Same.
 284         * gcc.dg/graphite/interchange-1.c: Same.
 285         * gcc.dg/graphite/interchange-10.c: Same.
 286         * gcc.dg/graphite/interchange-11.c: Same.
 287         * gcc.dg/graphite/interchange-12.c: Same.
 288         * gcc.dg/graphite/interchange-2.c: Same.
 289         * gcc.dg/graphite/interchange-3.c: Same.
 290         * gcc.dg/graphite/interchange-4.c: Same.
 291         * gcc.dg/graphite/interchange-5.c: Same.
 292         * gcc.dg/graphite/interchange-6.c: Same.
 293         * gcc.dg/graphite/interchange-7.c: Same.
 294         * gcc.dg/graphite/interchange-8.c: Same.
 295         * gcc.dg/graphite/interchange-9.c: Same.
 296         * gcc.dg/graphite/interchange-mvt.c: Same.
 297
 298 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 299
 300         * gfortran.dg/graphite/id-19.f: New.
 301         * gfortran.dg/graphite/pr14741.f90: New.
 302         * gfortran.dg/graphite/pr41924.f90: New.
 303         * gfortran.dg/graphite/run-id-2.f90: New.
 304
 305 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 306
 307         PR middle-end/42988
 308         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
 309         to unknown_dependence.
 310         (graphite_legal_transform_dr): Handle the unknown_dependence.
 311         (graphite_carried_dependence_level_k): Same.
 312
 313 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
 314
 315         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
 316
 317 2010-02-05  Sebastian Pop  <sebastian.pop@amd.com>
 318             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 319
 320         PR middle-end/42637
 321         * graphite-dependences.c (build_lexicographical_constraint): Return
 322         a union of dependence polyhedra.
 323         (dependence_polyhedron_1): Adapt for build_lexicographical_constraint.
 324
 325         * gcc.dg/graphite/block-0.c: Enable runtime check.  XFAILed.
 326         * gcc.dg/graphite/block-4.c: Same.
 327         * gcc.dg/graphite/block-7.c: Same.
 328         * gcc.dg/graphite/interchange-12.c: Same.
 329         * gcc.dg/graphite/interchange-mvt.c: Same.
 330         * gfortran.dg/graphite/interchange-1.f: XFAILed.
 331         * gfortran.dg/graphite/interchange-3.f90: XFAILed.
 332         * gfortran.dg/graphite/run-id-1.f: New testcase for PR42637.
 333
 334 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 335
 336         * gcc.dg/graphite/interchange-12.c: Return 0 to avoid
 337         the execution check to FAIL.  This testcase is miscompiled by Graphite
 338         and the check should be re-enabled.
 339         * gcc.dg/graphite/interchange-mvt.c: Same.
 340         * gcc.dg/graphite/block-0.c: Same.
 341         * gcc.dg/graphite/block-4.c: Same.
 342         * gcc.dg/graphite/block-7.c: Same.
 343
 344 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 345
 346         * gcc.dg/graphite/interchange-mvt.c: Un-XFAILed.
 347         * gcc.dg/graphite/scop-0.c: Fix spaces.
 348         * gfortran.dg/graphite/block-1.f90: Rewrite expected output.
 349         * gfortran.dg/graphite/block-2.f: Same.
 350         * gfortran.dg/graphite/block-3.f90: Same.
 351         * gfortran.dg/graphite/block-4.f90: Same.
 352         * gfortran.dg/graphite/interchange-1.f: Un-XFAILed.
 353         * gfortran.dg/graphite/interchange-3.f90: Un-XFAILed.
 354
 355 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 356
 357         * graphite-dependences.c (new_poly_ddr): Initialize PDDR_KIND and
 358         PDDR_ORIGINAL_SCATTERING_P.
 359         (pddr_is_empty): Rewritten.
 360         (print_dependence_polyhedron_layout): New.
 361         (print_pddr): New.
 362         (debug_pddr): New.
 363         (build_alias_set_powerset): Moved up.
 364         (poly_drs_may_alias_p): Moved up.
 365         (lexicographically_gt_p): Removed.
 366         (build_lexicographically_gt_constraint): Renamed
 367         build_lexicographical_constraint, reimplemented.
 368         (dependence_polyhedron_1): Simplified parameters.
 369         (dependence_polyhedron): Same.  Keep along empty PDDRs
 370         to make efficient use of the cache.
 371         (reduction_dr_p): Compute the PBBs don't pass them as parameters.
 372         (graphite_legal_transform_dr): Rewritten.
 373         (graphite_legal_transform_bb): Pass fewer arguments to
 374         graphite_legal_transform_dr.
 375         (graphite_carried_dependence_level_k): Simplified implementation.
 376         (dot_original_deps_stmt_1): Call dependence_polyhedron.
 377         (dot_transformed_deps_stmt_1): Same.
 378         (dot_original_deps): Same.
 379         (dot_transformed_deps): Same.
 380         * graphite-dependences.h (struct poly_ddr): Added a new field
 381         original_scattering_p.
 382         (PDDR_ORIGINAL_SCATTERING_P): New.
 383         (print_pddr): Declared.
 384         (debug_pddr): Declared.
 385         * graphite-ppl.c: Clarify comment.
 386         * sese.h (print_gimple_bb): Removed unused declaration.
 387         (debug_gbb): Same.
 388
 389 2010-02-03  Sebastian Pop  <sebastian.pop@amd.com>
 390
 391         * g++.dg/graphite/graphite.exp: Rewritten.
 392         * gcc.dg/graphite/graphite.exp: Rewritten.
 393         * gfortran.dg/graphite/graphite.exp: Rewritten.
 394         * gcc.dg/graphite/block-0.c: Added runtime test.
 395         * gcc.dg/graphite/block-1.c: Same.
 396         * gcc.dg/graphite/block-3.c: Same.
 397         * gcc.dg/graphite/block-4.c: Same.
 398         * gcc.dg/graphite/block-5.c: Same.
 399         * gcc.dg/graphite/block-6.c: Same.
 400         * gcc.dg/graphite/block-7.c: Same.
 401         * gcc.dg/graphite/interchange-0.c: Same.
 402         * gcc.dg/graphite/interchange-1.c: Same.
 403         * gcc.dg/graphite/interchange-10.c: Same.
 404         * gcc.dg/graphite/interchange-11.c: Same.
 405         * gcc.dg/graphite/interchange-12.c: Same.
 406         * gcc.dg/graphite/interchange-2.c: Same.
 407         * gcc.dg/graphite/interchange-3.c: Same.
 408         * gcc.dg/graphite/interchange-4.c: Same.
 409         * gcc.dg/graphite/interchange-5.c: Same.
 410         * gcc.dg/graphite/interchange-6.c: Same.
 411         * gcc.dg/graphite/interchange-7.c: Same.
 412         * gcc.dg/graphite/interchange-8.c: Same.
 413         * gcc.dg/graphite/interchange-9.c: Same.
 414         * gcc.dg/graphite/interchange-mvt.c: Same.
 415         * gcc.dg/graphite/run-id-2.c: Remove useless dg-do run.
 416
 417 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 418
 419         * graphite-scop-detection.c (dot_all_scops): Make calls to dot run in
 420           background.
 421
 422 2010-01-22  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
 423
 424         * common.opt: Add -fgraphite-cloog-opts.
 425         * graphite-clast-to-gimple.c (set_cloog_options): Same.
 426         * opts.c (decode_options): Same.
 427
 428 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 429
 430         * gcc.dg/graphite/id-17.c: New.
 431         * gcc.dg/graphite/pr41888.c: New.
 432         * gcc.dg/graphite/scop-22.c: New.
 433         * gfortran.dg/graphite/pr40982.f90: New.
 434
 435 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 436
 437         * graphite-dependences.c: Clarify comments.
 438         (build_pddr): Add an extra parameter direction.
 439         (graphite_legal_transform_dr): Use build_pddr.
 440         (dot_original_deps_stmt_1): Update use of build_pddr.
 441         (dot_transformed_deps_stmt_1): Same.
 442         (dot_original_deps): Same.
 443         (dot_transformed_deps): Same.
 444
 445         * gcc.dg/graphite/interchange-12.c: New.
 446         * gcc.dg/graphite/block-7.c: New.
 447
 448 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 449
 450         * graphite-dependences.c (pddr_original_scattering): Renamed build_pddr.
 451         (pddr_transformed_scattering): Removed.
 452         (graphite_legal_transform_dr): Use build_pddr.
 453         (dot_original_deps_stmt_1): Same.
 454         (dot_transformed_deps_stmt_1): Same.
 455         (dot_original_deps): Same.
 456         (dot_transformed_deps): Same.
 457
 458 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 459
 460         * graphite-dependences.c (lexicographically_gt_p): Add comments.
 461         (build_lexicographically_gt_constraint): Same.
 462         (dependence_polyhedron_1): Same.
 463         (dependence_polyhedron): Same.
 464
 465 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 466
 467         * graphite-dependences.c (build_pairwise_scheduling_equality): Removed.
 468         (build_pairwise_scheduling_inequality): Renamed build_pairwise_scheduling.
 469         (lexicographically_gt_p): Change type of direction to int.
 470         (build_lexicographically_gt_constraint): Same.
 471         (dependence_polyhedron_1): Same.
 472         (dependence_polyhedron): Same.
 473         (pddr_original_scattering): Use integers for direction.
 474         (pddr_transformed_scattering): Same.
 475         (graphite_legal_transform_dr): Same.
 476         (graphite_carried_dependence_level_k): Same.
 477
 478 2010-01-20  Sebastian Pop  <sebastian.pop@amd.com>
 479
 480         * graphite-dependences.c (build_pairwise_constraint): Renamed
 481         ppl_build_relation.  Moved...
 482         (dr_equality_constraints): Use ppl_build_relation.
 483         (build_pairwise_scheduling_equality): Same.
 484         (build_pairwise_scheduling_inequality): Same.
 485         * graphite-ppl.c (ppl_build_relation): ...here.
 486         * graphite-ppl.h (ppl_build_relation): Declared.
 487
 488 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 489
 490         PR middle-end/42681
 491         * graphite-clast-to-gimple.c (gloog_error): New static variable.
 492         (clast_to_gcc_expression): Do not build MULT_EXPR of POINTER_TYPE_P.
 493         Set gloog_error when such an expression failed to be built.
 494         (translate_clast): Early return when gloog_error is set.
 495         (gloog): Clear gloog_error.  When gloog_error is set, call
 496         set_ifsese_condition to enable the original code.  Return the status
 497         of the code generation based on gloog_error.
 498         * sese.c (set_ifsese_condition): New.
 499         * sese.h (set_ifsese_condition): Declared.
 500
 501         * g++.dg/graphite/pr42681.C: New.
 502
 503 2010-01-14  Sebastian Pop  <sebastian.pop@amd.com>
 504
 505         PR middle-end/42732
 506         * graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
 507         rename_nb_iterations.
 508         * sese.c (rename_variables_in_operand): New.
 509         (rename_variables_in_expr): New.
 510         (rename_nb_iterations): New.
 511         (sese_adjust_liveout_phis): Update the rename_map.
 512         * sese.h (rename_nb_iterations): Declared.
 513         * tree-scalar-evolution.c (scev_reset_htab): New.
 514         (scev_reset): Call scev_reset_htab.
 515         * tree-scalar-evolution.h (scev_reset_htab): Declared.
 516
 517         * gfortran.dg/graphite/pr42732.f: New.
 518
 519 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 520
 521         PR middle-end/42393
 522         * graphite-clast-to-gimple.c: Fix formatting.
 523         * sese.c (defined_in_loop_p): Renamed name_defined_in_loop_p.
 524         (expr_defined_in_loop_p): New.
 525         (add_loop_exit_phis): Also handle full expressions: remove from
 526         the rename_map the expressions defined in the loop that we're closing.
 527
 528         * gfortran.dg/graphite/pr42393-1.f90: New.
 529         * gfortran.dg/graphite/pr42393.f90: Add new flags
 530         -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine to also
 531         make this testcase useful in the Graphite branch.
 532
 533 2010-01-08  Sebastian Pop  <sebastian.pop@amd.com>
 534
 535         * graphite-scop-detection.c (exclude_component_ref): Removed.
 536         (is_simple_operand): Removed.
 537         (stmt_simple_for_scop_p): Remove use of is_simple_operand.
 538
 539 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 540
 541         PR middle-end/42221
 542         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 543         the array indexing of ADDR_EXPRs.
 544
 545         * gcc.dg/graphite/pr42221.c: New.
 546
 547 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 548
 549         PR middle-end/42521
 550         * graphite.c (graphite_finalize): Call scev_reset.
 551         (graphite_transform_loops): Do not call scev_reset between the code
 552         generation of scops.
 553
 554         * gcc.dg/graphite/pr42521.c: New.
 555
 556 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 557
 558         * graphite-interchange.c (memory_stride_in_loop): Renamed
 559         pdr_stride_in_loop.
 560         (memory_strides_in_loop): Renamed memory_strides_in_loop_1.
 561         (memory_strides_in_loop): Memoize the memory strides per loop.
 562         (lst_interchange_profitable_p): Do not initialize to zero the memory
 563         strides.
 564         * graphite-poly.h (struct lst): Add a field memory_strides.
 565         (LST_LOOP_MEMORY_STRIDES): New.
 566         (new_lst_loop): Initialize LST_LOOP_MEMORY_STRIDES to -1.
 567         (free_lst): Clear LST_LOOP_MEMORY_STRIDES.
 568
 569 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 570
 571         * graphite-interchange.c (memory_strides_in_loop_depth): Renamed
 572         memory_strides_in_loop.  Gather memory strides on a whole loop.
 573         (pbb_interchange_profitable_p): Renamed lst_interchange_profitable_p.
 574         (lst_interchange_profitable_p): Removed.
 575         (lst_try_interchange_loops): Call lst_interchange_profitable_p.
 576
 577 2010-01-07  Sebastian Pop  <sebastian.pop@amd.com>
 578
 579         Revert patch 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 580         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 581         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 582         Remove context_loop and level.
 583
 584 2010-01-07  Richard Guenther  <rguenther@suse.de>
 585
 586         PR tree-optimization/42641
 587         * sese.c (rename_map_elt_info): Use the SSA name version, do
 588         not hash pointers.
 589
 590 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 591
 592         * graphite-blocking.c (scop_do_block): Print "SCoP will be loop
 593         blocked" only when both the strip mine and the interchange have
 594         been applied.
 595
 596         * gcc.dg/graphite/block-2.c: Removed.
 597         * gcc.dg/graphite/block-3.c: Add scan pattern.
 598         * gcc.dg/graphite/block-4.c: Same.
 599         * gcc.dg/graphite/block-5.c: Same.
 600         * gcc.dg/graphite/block-6.c: Same.
 601
 602 2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>
 603
 604         * graphite-clast-to-gimple.c (save_clast_name_index): Free slot
 605         before allocating a new one.
 606         (copy_renames): Check that slot is not NULL.
 607         (mark_bb_with_pbb): Same.
 608         (compute_cloog_iv_types_1): Same.
 609         * graphite-interchange.c (lst_perfect_nestify): Free the before,
 610         nest, and after LSTs.
 611         (lst_try_interchange_loops): Same.
 612
 613 2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>
 614
 615         PR middle-end/42178
 616         * graphite-interchange.c (lst_try_interchange_loops): Do not return
 617         the before, nest, and after LSTs.
 618         (lst_try_interchange): Removed.
 619         (lst_interchange_select_inner): Do not iterate over the LSTs if they
 620         were modified.
 621         (lst_interchange_select_outer): Apply interchange on the outer loop
 622         until there are no more changes in the inner loops.
 623
 624 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 625
 626         Revert patch fixing PR middle-end/42221.
 627
 628 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 629
 630         PR middle-end/42180
 631         * graphite-sese-to-poly.c (follow_ssa_with_commutative_ops): Handle
 632         GIMPLE_CALL.
 633
 634         * gfortran.dg/graphite/pr42180.f90: Add compile flags.
 635
 636 2009-12-18  Sebastian Pop  <sebastian.pop@amd.com>
 637
 638         PR middle-end/42180
 639         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split blocks
 640         that contain only one statement.
 641
 642         * gfortran.dg/graphite/pr42180.f90: New.
 643
 644 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 645
 646         PR middle-end/42393
 647         * gfortran.dg/graphite/pr42393.f90: New.
 648
 649 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 650
 651         PR middle-end/42186
 652         * gfortran.dg/graphite/pr42186.f90: New.
 653
 654 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 655
 656         PR middle-end/42205
 657         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array_for_stmt):
 658         Insert the reduction copy in the same block as the phi node.
 659         (follow_ssa_with_commutative_ops): Handle GIMPLE_NOPs.
 660
 661         * gcc.dg/graphite/pr42205-1.c: New.
 662         * gcc.dg/graphite/pr42205-2.c: New.
 663
 664 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 665
 666         PR middle-end/42221
 667         * sese.c (expand_scalar_variables_expr): Follow the SSA links into
 668         the array indexing of ADDR_EXPRs.
 669
 670         * gcc.dg/graphite/pr42221.c: New.
 671
 672 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 673
 674         PR middle-end/42178
 675         PR middle-end/42334
 676         * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
 677         index.  Call lst_interchange_select_inner only once.
 678         (lst_interchange_select_inner): Update use of lst_try_interchange.
 679         (lst_interchange_select_outer): Update.
 680
 681 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 682
 683         PR middle-end/42178
 684         PR middle-end/42334
 685         * graphite-interchange.c (lst_try_interchange): Do not increment the
 686         the OUTER index when there is no AFTER kernel.  Do not increment the
 687         OUTER index for after processing the AFTER kernel.
 688         (lst_interchange_select_inner): Call lst_try_interchange only on loops.
 689         (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
 690         index.  Do not pass to lst_interchange_select_inner the OUTER index.
 691         (scop_do_interchange): Update use of lst_interchange_select_outer.
 692
 693         * gfortran.dg/graphite/graphite.exp
 694         (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
 695         * gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
 696         the graphite dump file.
 697         * gfortran.dg/graphite/interchange-2.f: Same.
 698         * gfortran.dg/graphite/pr42334-1.f: New.
 699
 700 2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>
 701
 702         PR middle-end/42178
 703         PR middle-end/42334
 704         * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
 705         that are empty.
 706         (lst_do_interchange_1): Renamed lst_interchange_select_inner.
 707         (lst_try_interchange): Reimplemented.
 708         (lst_interchange_select_inner): Same.
 709         (lst_do_interchange): Renamed lst_interchange_select_outer.
 710         Reimplemented.
 711         (scop_do_interchange): Update use of lst_interchange_select_outer.
 712
 713         * g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
 714         * gcc.dg/graphite/block-0.c: Un-XFAILed.
 715         * gcc.dg/graphite/pr42211.c: New.
 716         * gfortran.dg/graphite/pr42334.f90: New.
 717
 718 2009-12-14  Sebastian Pop  <sebastian.pop@amd.com>
 719
 720         PR middle-end/42181
 721         * graphite-scop-detection.c (graphite_can_represent_scev): Handle more
 722         carefully PLUS_EXPR, MINUS_EXPR, and MULT_EXPR.
 723
 724         * gfortran.dg/graphite/pr42181.f90: New.
 725
 726 2009-12-12  Sebastian Pop  <sebpop@gmail.com>
 727
 728         PR middle-end/42284
 729         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Call
 730         insert_out_of_ssa_copy_on_edge for anything else than SSA_NAMEs.
 731         (detect_commutative_reduction_arg): Simplified.
 732         (detect_commutative_reduction): Early return when the argument of
 733         the close phi is not of an SSA_NAME.
 734
 735         * gcc.dg/graphite/pr42284.c: New.
 736
 737 2009-12-11  Alexander Monakov  <amonakov@ispras.ru>
 738
 739         * dbgcnt.def (graphite_scop): New counter.
 740         * graphite.c: Include dbgcnt.h
 741         (graphite_transform_loops): Use new counter to limit transformations.
 742
 743 2009-12-08  Sebastian Pop  <sebpop@gmail.com>
 744
 745         PR middle-end/42285
 746         * graphite-scop-detection.c (graphite_can_represent_init): Also
 747         handle more complex MULT_EXPRs containing parameters by recursion
 748         on the structure.
 749
 750         * gfortran.dg/graphite/pr42285.f90: New.
 751
 752 2009-12-01  Tobias Grosser  <grosser@fim.uni-passau.de>
 753
 754         * g++.dg/graphite/pr42130.C: Fix type.
 755
 756 2009-11-29  Alexander Monakov <amonakov@gcc.gnu.org>
 757
 758         * g++.dg/graphite/pr42130.C: Correct testcase.
 759
 760 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 761
 762         * Merge from mainline (154493:154734).
 763
 764 2009-11-28 Tobias Grosser  <grosser@fim.uni-passau.de>
 765
 766         * Merge from mainline (151362:154491).
 767
 768 2009-11-24  Tobias Grosser  <grosser@fim.uni-passau.de>
 769
 770         * graphite-clast-to-gimple.c (try_mark_loop_parallel,
 771         graphite_create_new_loop_guard, translate_clast_for): Fix comments.
 772
 773 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 774
 775         PR middle-end/42130
 776         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard,
 777         translate_clast_for_loop): New.
 778         (translate_clast_for): Add a condition around the loop, to do not
 779         execute loops with zero iterations.
 780         * g++.dg/graphite/pr42130.C: New.
 781         * gcc.dg/graphite/pr35356-2.c: Adapt.
 782
 783 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 784
 785         * graphite-clast-to-gimple.c (try_mark_loop_parallel): New.
 786         (translate_clast_for, translate_clast_guard, translate_clast, gloog):
 787         Remove context_loop and level.
 788
 789 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 790
 791         * graphite-clast-to-gimple.c (translate_clast_user,
 792         translate_clast_for, translate_clast_guard): Simplify and move common
 793         elements to translate_clast().
 794         (translate_clast): Simplify and get common elements.
 795
 796 2009-11-23  Tobias Grosser  <grosser@fim.uni-passau.de>
 797
 798         * graphite-clast-to-gimple.c (translate_clast_user,
 799         translate_clast_for, translate_clast_guard): Split out of
 800         translate_clast.
 801
 802 2009-11-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 803
 804         * graphite-clast-to-gimple.c (clast_name_index, new_clast_name_index,
 805         clast_name_to_index, save_clast_name_index, debug_clast_name_index,
 806         debug_clast_name_indexes_1, debug_clast_name_indexes,
 807         clast_name_index_elt_info, eq_clast_name_indexes): Moved from sese.h.
 808         (clast_name_to_gcc, clast_to_gcc_expression,
 809         clast_to_gcc_expression_red, gcc_type_for_clast_expr,
 810         gcc_type_for_clast_eq, graphite_translate_clast_equation,
 811         graphite_create_guard_cond_expr, graphite_create_new_loop,
 812         translate_clast): Add params_index.
 813         (initialize_cloog_names): Create parameter strings from scratch, do
 814         not reference other strings.
 815         (create_params_index): New.
 816         (gloog): Initialize params_index.
 817         * graphite-scop-detection (free_scops_1): Removed.
 818         (limit_scops): Use normal free_scops.
 819         * graphite-sese-to-poly.c (save_var_names): Removed.
 820         (parameter_index_in_region): Do not initialize SESE_PARAM_NAMES
 821         and SESE_PARAMS_INDEX.
 822         * sese.c (new_sese, free_sese): Dito.
 823         * sese.h (struct sese): Remove params_index, params_names.
 824         (SESE_PARAMS_INDEX, SESE_PARAMS_NAMES): Removed.
 825
 826 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 827
 828         Revert the following patch from 2009-09-14:
 829         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
 830         tree-scalar-evolution.h, and then tree-data-ref.h.
 831         * graphite-clast-to-gimple.c: Same.
 832         * graphite-dependences.c: Same.
 833         * graphite-interchange.c: Same.
 834         * graphite-poly.c: Same.
 835         * graphite-scop-detection.c: Same.
 836         * graphite-sese-to-poly.c: Same.
 837         * graphite.c: Same.
 838         * lambda-code.c: Same.
 839         * matrix-reorg.c: Same.
 840         * tree-data-ref.c: Same.
 841         * tree-if-conv.c: Same.
 842         * tree-loop-distribu: Same.: Same.
 843         * tree-loop-linear.c: Same.
 844         * tree-parloops.c: Same.
 845         * tree-predcom.c: Same.
 846         * tree-vect-patterns.c: Same.
 847
 848 2009-11-20  Sebastian Pop  <sebastian.pop@amd.com>
 849
 850         Revert patch from 2009-09-14.
 851         * tree-ssa-loop.c (gate_graphite_transforms): Re-enable Graphite
 852         passes at -O1 and below.
 853
 854 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 855
 856         PR middle-end/40281
 857         * gcc.dg/graphite/pr40281.c: New.
 858
 859         * tree-scalar-evolution.c (instantiate_scev_poly): Base and stride
 860         evolutions should not variate in inner loops.
 861
 862 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 863
 864         PR middle-end/42050
 865         * gfortran.dg/graphite/pr42050.f90: New.
 866
 867 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 868
 869         * graphite-interchange.c (memory_strides_in_loop_depth): New.
 870         (pbb_interchange_profitable_p): Call memory_strides_in_loop_depth.
 871
 872 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 873
 874         * graphite-blocking.c (scop_do_block): New.
 875         * graphite-poly.c (apply_poly_transforms): Call scop_do_block.
 876         * graphite-poly.h (scop_do_block): Declared.
 877
 878 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 879
 880         * graphite-blocking.c (pbb_strip_mine_profitable_p): The parameter
 881         depth is the loop nesting depth in the LST.  Call psct_dynamic_dim
 882         to transform depth into the time_depth before calling
 883         pbb_number_of_iterations_at_time.
 884         (lst_do_strip_mine): Use a scalar variable instead of recomputing
 885         lst_depth.
 886
 887 2009-11-18  Sebastian Pop  <sebastian.pop@amd.com>
 888
 889         Reverted the patch for "scattering permutations" from 2009-10-28.
 890
 891         * graphite-poly.c (print_permutation): New.
 892         (debug_permutation): New.
 893         (new_poly_bb): Initialize PBB_PERMUTATION.
 894         (free_poly_bb): Free PBB_PERMUTATION.
 895         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 896         (struct pbb_permutation_elt): New.
 897         (PBB_PERMUTATION_ELT_STRIDE): New.
 898         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 899         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 900         (new_pbb_permutation_elt): New.
 901         (pbb_permutation_elt_free): New.
 902         (struct poly_bb): Add field permutation.
 903         (PBB_PERMUTATION): New.
 904         (print_permutation): Declared.
 905         (debug_permutation): Declared.
 906
 907 2009-11-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
 908
 909         * graphite-interchange.c (build_partial_difference): New.
 910         (memory_stride_in_loop): Refactored the computation of
 911         equality constraints into build_partial_difference function.
 912         Added support for debugging stride computations.
 913
 914 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 915
 916         * graphite-clast-to-gimple.c (gloog): Free if_region,
 917         if_region->true_region, and if_region->region.
 918         * sese.c (if_region_set_false_region): Free if_region->false_region.
 919         (create_if_region_on_edge): Do not use GGC_NEW.
 920         (move_sese_in_condition): Remove useless initialization.
 921
 922 2009-11-03  Sebastian Pop  <sebastian.pop@amd.com>
 923
 924         * graphite-interchange.c (lst_perfect_nestify): Pass 3 parameters
 925         for the loops created by the loop distribution.  Do not modify the
 926         input LSTs.
 927         (lst_try_interchange_loops): Same.  Use a temporary LST for the
 928         transformed schedule.  Call lst_update_scattering before data
 929         dependence analysis.
 930         (lst_try_interchange): Pass an extra parameter INDEX.
 931         (lst_do_interchange_1): New.
 932         (lst_do_interchange): Call lst_do_interchange_1.
 933         (scop_do_interchange): Call lst_update_scattering.
 934         * graphite-poly.c (apply_poly_transforms): Do not call
 935         lst_update_scattering.
 936         * graphite-poly.h (lst_pred): New.
 937         (lst_succ): New.
 938         (lst_find_first_pbb): Return NULL when not found.
 939         (lst_empty_p): New.
 940         (lst_insert_in_sequence): Allow LST1 to be NULL.
 941         (lst_replace): New.
 942         (lst_substitute_3): New.
 943         * gcc.dg/graphite/interchange-1.c: XFail.
 944         * gcc.dg/graphite/interchange-8.c: XFail.
 945         * gcc.dg/graphite/interchange-11.c: XFail.
 946
 947 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 948
 949         * graphite-interchange.c (lst_perfectly_nested_p): New.
 950         (lst_perfect_nestify): New.
 951         (lst_try_interchange_loops): Call store_lst_schedule,
 952         lst_perfectly_nested_p, lst_perfect_nestify and restore_lst_schedule.
 953         (scop_do_interchange): Avoid redundant legality test.
 954         Call lst_do_interchange on a copy of SCOP_TRANSFORMED_SCHEDULE.
 955         * graphite-poly.c (apply_poly_transforms): Call lst_update_scattering.
 956         * graphite-poly.h (psct_static_dim): New.
 957         (lst_dewey_number_at_depth): New.
 958         (lst_find_pbb): Restructured.
 959         (lst_find_first_pbb): Restructured.
 960         (lst_find_last_pbb): New.
 961         (lst_contains_p): New.
 962         (lst_contains_pbb): New.
 963         (lst_create_nest): New.
 964         (lst_remove_from_sequence): New.
 965         (pbb_update_scattering): New.
 966         (lst_update_scattering_under): New.
 967         (lst_update_scattering_seq): New.
 968         (lst_update_scattering): New.
 969         (lst_insert_in_sequence): New.
 970         (lst_distribute_lst): New.
 971         (lst_remove_all_before_including_pbb): New.
 972         (lst_remove_all_before_excluding_pbb): New.
 973
 974 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 975
 976         * tree-ssa-loop-niter.c (finite_loop_p): Do not call twice
 977         get_loop_exit_edges.
 978
 979 2009-10-30  Sebastian Pop  <sebastian.pop@amd.com>
 980
 981         * graphite-poly.c (pbb_remove_duplicate_pdrs): Free collapsed.
 982
 983 2009-10-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
 984
 985         * graphite-poly.c (print_permutation): New.
 986         (debug_permutation): New.
 987         (new_poly_bb): Initialize PBB_PERMUTATION.
 988         (free_poly_bb): Free PBB_PERMUTATION.
 989         * graphite-poly.h (pbb_permutation_elt_p): Declared.
 990         (struct pbb_permutation_elt): New.
 991         (PBB_PERMUTATION_ELT_STRIDE): New.
 992         (PBB_PERMUTATION_ELT_STRIDED_P): New.
 993         (PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
 994         (new_pbb_permutation_elt): New.
 995         (pbb_permutation_elt_free): New.
 996         (struct poly_bb): Add field permutation.
 997         (PBB_PERMUTATION): New.
 998         (print_permutation): Declared.
 999         (debug_permutation): Declared.
1000
1001 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1002
1003         * graphite-clast-to-gimple.c (gloog): Do not call
1004         sese_reset_aux_in_loops.
1005         * graphite-sese-to-poly.c (build_loop_iteration_domains): Pass an
1006         extra argument for domains.  Do not use loop->aux.
1007         (build_scop_iteration_domain): Initialize and free domains, pass it
1008         to build_loop_iteration_domains and extract the information from
1009         domains.  Do not use loop->aux.
1010         * sese.c (sese_reset_aux_in_loops): Removed.
1011         * sese.h (sese_reset_aux_in_loops): Removed.
1012
1013 2009-10-26  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * graphite-clast-to-gimple.c (find_pbb_via_hash): Moved up.
1016         (dependency_in_loop_p): Same.
1017         (translate_clast): Do not use loop->aux.  Initialize
1018         loop->can_be_parallel.
1019         (mark_loops_parallel): Removed.
1020         * graphite-clast-to-gimple.h (mark_loops_parallel): Removed.
1021         * graphite.c (free_aux_in_new_loops): Removed.
1022         (graphite_finalize): Do not call free_aux_in_new_loops.
1023         (graphite_transform_loops): Do not call mark_loops_parallel.
1024
1025 2009-10-26  Li Feng  <nemokingdom@gmail.com>
1026
1027         * graphite-clast-to-gimple.c (get_stmtfor_depth): Removed.
1028         (translate_clast): Pass an extra parameter LEVEL.
1029         Call get_scattering_level.
1030         * graphite-clast-to-gimple.h (get_scattering_level): New.
1031
1032 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1033
1034         * cfgloop.c (alloc_loop): Initialize loop->single_iv.
1035         * cfgloop.h (struct loop): New field single_iv.
1036
1037         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): Do not use
1038         loop->aux anymore: use loop->single_iv.
1039         (graphite_loop_normal_form): Moved...
1040         (build_graphite_loop_normal_form): Removed.
1041         (gloog): Do not call build_graphite_loop_normal_form.
1042         (free_aux_in_new_loops): Moved...
1043         (mark_loops_parallel): Restructure.
1044         * graphite-clast-to-gimple.h (free_aux_in_new_loops): Do not declare.
1045         * graphite-sese-to-poly.c (graphite_loop_normal_form): ...here.
1046         (scop_canonicalize_loops): New.
1047         (build_poly_scop): Call scop_canonicalize_loops.
1048         * graphite.c (free_aux_in_new_loops): ...here.
1049
1050 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1051
1052         * g++.dg/graphite/graphite.exp: Add the same rules as in
1053         gcc.dg/graphite/graphite.exp.
1054
1055 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1056
1057         * g++.dg/graphite/id-1.C: New.
1058
1059 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1060
1061         * graphite-sese-to-poly.c (create_zero_dim_array): Pass an extra
1062         argument base_name.
1063         (rewrite_close_phi_out_of_ssa): Update use of create_zero_dim_array.
1064         (rewrite_phi_out_of_ssa): Same.
1065         (rewrite_cross_bb_scalar_deps): Same.
1066         (translate_scalar_reduction_to_array): Same.
1067
1068 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1069
1070         * graphite-sese-to-poly.c (build_scop_drs): Disable call to
1071         dump_alias_graphs.
1072
1073 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1074
1075         * graphite-sese-to-poly.c (dump_alias_graphs): New.
1076         (build_scop_drs): Call dump_alias_graphs.
1077
1078 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1079
1080         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_SCHEDULE,
1081         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1082         (free_scop): Call free_lst on SCOP_ORIGINAL_SCHEDULE,
1083         SCOP_TRANSFORMED_SCHEDULE, and SCOP_SAVED_SCHEDULE.
1084         * graphite-poly.h (free_lst): New.
1085         (store_lst_schedule): Free SCOP_SAVED_SCHEDULE.
1086         (restore_lst_schedule): Free SCOP_TRANSFORMED_SCHEDULE.
1087
1088 2009-10-22  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * graphite-poly.h (struct scop): Add a field saved_schedule.
1091         (SCOP_SAVED_SCHEDULE): New.
1092         (store_lst_schedule): New.
1093         (restore_lst_schedule): New.
1094         (store_scattering): Call store_lst_schedule.
1095         (restore_scattering): Call restore_lst_schedule.
1096
1097 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1098
1099         * graphite-sese-to-poly.c (free_data_refs_aux): Fix formatting.
1100         (pdr_add_alias_set): Same.
1101         (build_poly_dr): Same.
1102         (build_alias_set_optimal_p): Same.
1103         (build_base_obj_set_for_drs): Same.  Do not store the result of
1104         graphds_dfs.
1105
1106 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1107
1108         * graphite-sese-to-poly.c (build_alias_set_optimal_p): Initialize
1109         all_components_are_cliques to 1.
1110
1111 2009-10-20  Li Feng  <nemokingdom@gmail.com>
1112
1113         * graphite-sese-to-poly.c (free_data_refs_aux): Update to free
1114         the new structure.
1115         (pdr_add_alias_set): Update retrieving alias_set_num.
1116         (build_poly_dr): Update retrieving dr_base_object_set.
1117         (partition_drs_to_sets): Remove.
1118         (build_alias_set_optimal_p): New.
1119         (build_alias_set_for_drs): Rename.
1120         (build_scop_drs): Update.
1121         * graphite-sese-to-poly.h (struct base_alias_pair): New.
1122         (ALIAS_SET_INDEX): Remove.
1123         (BASE_OBJECT_SET_INDEX): Remove.
1124
1125 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1126
1127         * sese.c (get_vdef_before_sese): Handle GIMPLE_ASSIGN and GIMPLE_CALL.
1128
1129 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1130
1131         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Do not infer
1132         loop upper bounds for 1-element arrays at end of structures.
1133         * tree-flow.h (array_at_struct_end_p): Declared.
1134         * tree-ssa-loop-niter.c (array_at_struct_end_p): Not static anymore.
1135
1136 2009-10-20  Sebastian Pop  <sebastian.pop@amd.com>
1137
1138         * g++.dg/graphite/pr41305.C: New.
1139
1140 2009-10-20  Alexander Monakov  <amonakov@ispras.ru>
1141
1142         * graphite-sese-to-poly.c (build_loop_iteration_domains): Generalize
1143         construction of parameter constraints from loop iteration analysis.
1144         * gcc.dg/graphite/run-id-2.c: New test.
1145
1146 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1147
1148         * graphite-interchange.c (memory_stride_in_loop): Delete p1, lma
1149         and new_cstr.
1150
1151 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * graphite-dependences.c (dependence_polyhedron_1): Remove
1154         unused gdim dimensions from the DDR polyhedron.
1155
1156 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1157
1158         * graphite-dependences.c (pddr_transformed_scattering): New.
1159         (dot_original_deps_stmt_1): New.
1160         (dot_transformed_deps_stmt_1): New.
1161         (dot_deps_stmt_1): Call dot_original_deps_stmt_1 and
1162         dot_transformed_deps_stmt_1.
1163         (dot_original_deps): New.
1164         (dot_transformed_deps): New.
1165         (dot_deps_1): Call dot_original_deps and dot_transformed_deps.
1166
1167 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1168
1169         * graphite-dependences.c (reduction_dr_1): Remove wrong
1170         assert: reduction BBs can have multiple reduction writes
1171         to memory.  interchange-3.f90 is an example.
1172
1173 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1174
1175         * gfortran.dg/graphite/interchange-3.f90: New.
1176
1177 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1178
1179         * gcc.dg/graphite/interchange-1.c: Un-XFAILed.
1180
1181 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1182
1183         * graphite-dependences.c (dependence_polyhedron_1): Add the
1184         context to the dependence polyhedron.
1185
1186 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1187
1188         * graphite-poly.c (pbb_remove_duplicate_pdrs): Initialize
1189         PBB_PDR_DUPLICATES_REMOVED.
1190         (new_poly_bb): Same.
1191
1192 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1193
1194         * graphite-sese-to-poly.c (find_scop_parameters): Initialize
1195         SCOP_CONTEXT.
1196         (build_loop_iteration_domains): Extract bounds on parameters
1197         based on the data size.
1198         (build_scop_context): Do not initialize SCOP_CONTEXT;
1199         add new constraints.
1200
1201 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1202
1203         * graphite-ppl.c (ppl_min_for_le_polyhedron): New.
1204         * graphite-ppl.h (graphite-ppl.h): Declared.
1205
1206 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
1207
1208         * graphite-ppl.c (ppl_print_linear_expr): New.
1209         (debug_ppl_linear_expr): New.
1210         * graphite-ppl.h (ppl_print_linear_expr): Declared.
1211         (debug_ppl_linear_expr): Declared.
1212
1213 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1214
1215         * graphite-interchange.c: Fix comments.
1216         * gcc.dg/graphite/block-1.c: Fix comments.
1217
1218 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1219
1220         * gcc.dg/graphite/interchange-7.c: Un-XFAILed.
1221         * gcc.dg/graphite/interchange-9.c: Un-XFAILed.
1222
1223 2009-10-16  Sebastian Pop  <sebastian.pop@amd.com>
1224
1225         Reapply the patch from Alexander Monakov that disappeared during
1226         the last merges from trunk.
1227
1228         2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1229
1230         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1231         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1232
1233 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1234
1235         * graphite-interchange.c (memory_stride_in_loop): The depth
1236         argument corresponds to a dynamic time dimension, so use
1237         psct_dynamic_dim to refer to the transformed scattering dimension.
1238
1239 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1240
1241         * graphite-interchange.c (memory_stride_in_loop): Fix comments.
1242
1243 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1244
1245         * graphite-blocking.c (lst_do_strip_mine): Avoid strip mining the
1246         root of the LST.
1247         * graphite-interchange.c (lst_do_interchange): Avoid interchanging
1248         the root of the LST.
1249         * graphite-poly.c (scop_to_lst): Fix LST sequence in an outermost
1250         fake loop.
1251         (print_lst): Print the root of LST in a different format.
1252         * graphite-poly.h (lst_depth): Adjust to include the root of the LST.
1253
1254 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1255
1256         * graphite-poly.c (print_scop): Fix pretty printing of a SCoP.
1257
1258 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1259
1260         * doc/passes.texi: Document the Graphite infrastructure.
1261
1262 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1263
1264         * graphite-sese-to-poly.c (insert_copyin): Use gsi_insert_seq_on_edge.
1265         (rewrite_commutative_reductions_out_of_ssa): Call gsi_commit_edge_inserts,
1266         and check the SSA representation.
1267
1268         * gfortran.dg/graphite/id-18.f90: New, reduced from PR41193.
1269
1270 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
1271
1272         * gcc.dg/graphite/pr40157.c: Use -floop-block as reported in the PR.
1273
1274 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1275
1276         * gcc.dg/graphite/interchange-11.c: New.
1277
1278 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1279
1280         * gcc.dg/graphite/interchange-8.c: Enable loop interchange.
1281
1282 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1283
1284         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1285         Add -fno-loop-strip-mine and -fno-loop-interchange.
1286         (DEFAULT_FLAGS_GRAPHITE_INTERCHANGE): Add -fno-loop-block and
1287         -fno-loop-strip-mine.
1288         * gfortran.dg/graphite/graphite.exp: Same.
1289
1290 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1291
1292         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1293         Renamed DEFAULT_FLAGS_GRAPHITE_BLOCK.
1294         (DEFAULT_CFLAGS_GRAPHITE_IDENTITY): Renamed
1295         DEFAULT_FLAGS_GRAPHITE_IDENTITY.
1296         (DEFAULT_CFLAGS_GRAPHITE_INTERCHANGE): Renamed
1297         DEFAULT_FLAGS_GRAPHITE_INTERCHANGE.
1298         (DEFAULT_CFLAGS_GRAPHITE_SCOP): Renamed
1299         DEFAULT_FLAGS_GRAPHITE_SCOP.
1300         (DEFAULT_CFLAGS_RUN_ID): Renamed DEFAULT_FLAGS_RUN_ID.
1301         (DEFAULT_CFLAGS_GRAPHITE): Renamed DEFAULT_FLAGS_GRAPHITE.
1302
1303 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1304
1305         * graphite-poly.c (pbb_number_of_iterations_at_time): Cleanup comments.
1306
1307 2009-10-14  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1308             Sebastian Pop  <sebastian.pop@amd.com>
1309
1310         * graphite-interchange.c (build_linearized_memory_access): Pass an
1311         offset as parameter.
1312         (memory_stride_in_loop): Include transform scattering in the
1313         access functions to be able to querry the strides in the
1314         transformed loops.
1315         (pbb_interchange_loop_depths): Interchange the psct_dynamic_dim,
1316         not the psct_iterator_dim.
1317
1318 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1319
1320         * graphite-blocking.c (pbb_do_strip_mine): Removed.
1321         (lst_do_strip_mine_loop): New.
1322         (lst_do_strip_mine): New.
1323         (scop_do_strip_mine): Call lst_do_strip_mine.
1324         * graphite-poly.h (lst_add_loop_under_loop): New.
1325         (lst_find_first_pbb): New.
1326
1327 2009-10-14  Sebastian Pop  <sebastian.pop@amd.com>
1328
1329         * graphite-poly.c (loop_to_lst): Fix LST creation.
1330
1331 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1332
1333         * gcc.dg/graphite/id-15.c: (8 * 8) replaced with
1334         sizeof(unsigned long) to make it run on 32bit systems.
1335
1336 2009-10-14  Tobias Grosser  <grosser@fim.uni-passau.de>
1337
1338         * gcc.dg/graphite/run-id-1.c: Use smaller matrix to not
1339         SEGFAULT on 32bit.
1340
1341 2009-10-14  Ramakrishna Upadrasta <Ramakrishna.Upadrasta@inria.fr>
1342
1343         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): Fix
1344         Comment.
1345         (write_alias_graph_to_ascii_dot): New.
1346         (write_alias_graph_to_ascii_ecc): Ditto.
1347         (partition_drs_to_sets): Add testing of optimality of current method
1348         which assigns alias numbers according to DFS Comopnent number.  used
1349         as heuristic for the upcoming ECC algorithm.
1350         (build_scop_drs): Write to file also with the ecc and dot format.
1351
1352 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         * gfortran.dg/graphite/interchange-1.f: XFail.
1355
1356 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1357
1358         * graphite.c (graphite_initialize): Do not handle functions with
1359         more than 100 basic blocks.
1360
1361 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1362
1363         * graphite-blocking.c (pbb_do_strip_mine): Use
1364         PARAM_LOOP_BLOCK_TILE_SIZE.
1365
1366 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1367
1368         * graphite-poly.c (dot_lst_1): New.
1369         (dot_lst): New.
1370         * graphite-poly.h (dot_lst): Declared.
1371
1372 2009-10-13  Sebastian Pop  <sebastian.pop@amd.com>
1373
1374         * graphite-dependences.c (dot_deps_stmt_1): New.
1375         (dot_deps_stmt): New.
1376         * graphite-dependences.h (dot_deps_stmt): Declared.
1377
1378 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1379
1380         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_dependence): Do
1381         not replace cross BB scalar dependences ending on PHI nodes.
1382         (rewrite_cross_bb_scalar_deps): Filter out GIMPLE_PHI nodes.
1383
1384 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1385
1386         * graphite-poly.c (apply_poly_transforms): Implement the high
1387         level driver for flag_loop_block.
1388         * opts.c (decode_options): Enable flag_loop_block at -O2.
1389         * tree-ssa-loop.c (gate_graphite_transforms): Remove call to sorry for
1390         flag_loop_block.
1391
1392         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add
1393         -floop-block.
1394         * gfortran.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK):
1395         Add -floop-block.
1396
1397 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1398
1399         * graphite-poly.h (lst_find_pbb): New.
1400         (find_lst_loop): New.
1401
1402 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1403
1404         * graphite-poly.c (new_scop): Remove init of SCOP_DEP_GRAPH.
1405         * graphite-poly.h (struct scop): Remove dep_graph field.
1406         (SCOP_DEP_GRAPH): Removed.
1407
1408 2009-10-09  Sebastian Pop  <sebastian.pop@amd.com>
1409
1410         * graphite-poly.h (copy_lst): Do full copy of LST.
1411
1412 2009-10-07  Sebastian Pop  <sebastian.pop@amd.com>
1413
1414         * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
1415         when the loop stride is zero.
1416
1417         * gcc.dg/graphite/id-16.c: New.
1418
1419 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1420
1421         * graphite-dependences.c (reduction_dr_1): New.
1422         (reduction_dr_p): New.
1423         (graphite_legal_transform_dr): Call reduction_dr_p.
1424         (reduction_ddr): Renamed reduction_ddr_p.
1425         * graphite-poly.h (same_pdr_p): New.
1426         (number_of_write_pdrs): New.
1427         * graphite-sese-to-poly.c (nb_data_writes_in_bb): New.
1428         (split_reduction_stmt): Do not split reduction statements
1429         when there are no writes to memory.
1430         (translate_scalar_reduction_to_array_for_stmt): Insert the
1431         memory reduction statement just after the scalar reduction statement.
1432
1433         * gcc.dg/graphite/interchange-10.c: Updated to differ from interchange-4.c.
1434         Un-XFAIL-ed.
1435         * gcc.dg/graphite/interchange-3.c: Un-XFAIL-ed.
1436         * gcc.dg/graphite/interchange-4.c: Un-XFAIL-ed.
1437
1438 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1439
1440         * graphite-interchange.c (lst_apply_interchange): New.
1441         (lst_interchange_profitable_p): New.
1442         (lst_try_interchange_loops): New.
1443         (lst_try_interchange): New.
1444         (lst_do_interchange): New.
1445         (pbb_do_interchange): Removed.
1446         (scop_do_interchange): Call lst_do_interchange.
1447
1448 2009-10-06  Sebastian Pop  <sebastian.pop@amd.com>
1449
1450         * graphite-poly.c (print_scop): Print SCOP_ORIGINAL_SCHEDULE and
1451         SCOP_TRANSFORMED_SCHEDULE.
1452         (loop_to_lst): New.
1453         (scop_to_lst): New.
1454         (print_lst): New.
1455         (debug_lst): New.
1456         * graphite-poly.h (lst_p): New.
1457         (struct lst): New.
1458         (LST_LOOP_P): New.
1459         (LST_LOOP_FATHER): New.
1460         (LST_PBB): New.
1461         (LST_SEQ): New.
1462         (scop_to_lst): Declared.
1463         (print_lst): Declared.
1464         (debug_lst): Declared.
1465         (new_lst_loop): New.
1466         (new_lst_stmt): New.
1467         (copy_lst): New.
1468         (lst_depth): New.
1469         (lst_dewey_number): New.
1470         (struct scop): Add original_schedule and transformed_schedule fields.
1471         (SCOP_ORIGINAL_SCHEDULE): New.
1472         (SCOP_TRANSFORMED_SCHEDULE): New.
1473         * graphite-sese-to-poly.c (build_poly_scop): Call scop_to_lst.
1474
1475 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1476
1477         * graphite-dependences.c (reduction_ddr): New.
1478         (graphite_legal_transform_bb): Call reduction_ddr.
1479         * graphite-poly.c (new_poly_bb): Pass a new bool parameter.
1480         Initialize PBB_IS_REDUCTION.
1481         * graphite-poly.h (struct poly_bb): New bool field is_reduction.
1482         (PBB_IS_REDUCTION): New.
1483         (new_poly_bb): Update declaration.
1484         * graphite-scop-detection.h (build_scop_bbs): Removed.
1485         (nb_reductions_in_loop): Removed.
1486         * graphite-sese-to-poly.c (try_generate_gimple_bb): Pass a sbitmap
1487         parameter for reductions.
1488         (try_generate_gimple_bb): Update call to new_poly_bb.
1489         (build_scop_bbs_1): Same.
1490         (build_scop_bbs): Same.
1491         (gsi_for_phi_node): New.
1492         (scalar_close_phi_node_p): Remove gcc_assert.
1493         (split_reduction_stmt): New.
1494         (is_reduction_operation_p): New.
1495         (phi_contains_arg): New.
1496         (follow_ssa_with_commutative_ops): New.
1497         (detect_commutative_reduction_arg): New.
1498         (detect_commutative_reduction_assign): New.
1499         (follow_inital_value_to_phi): New.
1500         (edge_initial_value_for_loop_phi): New.
1501         (initial_value_for_loop_phi): New.
1502         (detect_commutative_reduction): New.
1503         (translate_scalar_reduction_to_array_for_stmt): New.
1504         (insert_copyout): New.
1505         (insert_copyin): New.
1506         (translate_scalar_reduction_to_array): New.
1507         (rewrite_commutative_reductions_out_of_ssa_close_phi): New.
1508         (rewrite_commutative_reductions_out_of_ssa_loop): New.
1509         (rewrite_commutative_reductions_out_of_ssa): New.
1510         (build_poly_scop): Call rewrite_commutative_reductions_out_of_ssa.
1511         * sese.h (split_region_for_bb): New.
1512
1513         * gcc.dg/graphite/graphite.exp (DEFAULT_CFLAGS_GRAPHITE_BLOCK): Add -ffast-math.
1514         * gcc.dg/graphite/interchange-1.c: Fix format.
1515         * gcc.dg/graphite/interchange-10.c: New.
1516
1517 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Remove
1520         buggy assert.
1521
1522 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * graphite-sese-to-poly.c (scev_analyzable_p): New.
1525         (rewrite_cross_bb_scalar_dependence): New.
1526         (rewrite_cross_bb_scalar_deps): New.
1527         (rewrite_reductions_out_of_ssa): Use bb_in_sese_p.
1528         Call rewrite_cross_bb_scalar_deps.
1529
1530 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1531
1532         * graphite-sese-to-poly.c (gsi_for_ssa_name_def): Removed.
1533         (insert_out_of_ssa_copy): Directly use gsi_after_labels and
1534         gsi_for_stmt.
1535
1536 2009-10-05  Sebastian Pop  <sebastian.pop@amd.com>
1537
1538         * graphite-clast-to-gimple.c (build_cloog_prog): Use pbb_index.
1539         * graphite-interchange.c (pbb_do_interchange): Same.
1540         * graphite-poly.c (print_scattering_function): Same.
1541         (debug_pdrs): Same.
1542         * graphite-poly.h (pbb_loop): New.
1543         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Use pbb_loop.
1544
1545 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1546
1547         * graphite-scop-detection.c (limit_scops): Do not build poly_bbs.
1548
1549 2009-09-27  Sebastian Pop  <sebastian.pop@amd.com>
1550
1551         * graphite-sese-to-poly.c (partition_drs_to_sets): Drs is not modified,
1552         so don't pass a pointer to it.
1553         (build_alias_set_for_drs): Same.
1554         (build_base_obj_set_for_drs): Same.
1555         (build_scop_drs): Same.
1556
1557 2009-09-26  Li Feng  <nemokingdom@gmail.com>
1558
1559         * graphite-sese-to-poly.c (build_scop_drs): Disable writing to file
1560         the alias graph of data references.
1561
1562 2009-09-25  Li Feng  <nemokingdom@gmail.com>
1563
1564         * graphite-sese-to-poly.c (write_alias_graph_to_ascii_dimacs): New.
1565         (build_scop_drs): When debugging, write the alias graph to file,
1566         otherwise, should be disabled.
1567
1568 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1569
1570         * Merge from mainline (151310:151361).
1571
1572 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         * Merge from mainline (151171:151310).
1575
1576 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1577
1578         * Merge from mainline (151171:151806).
1579
1580 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1581
1582         * Revert the last commit.
1583
1584 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1585
1586         * Merge from mainline (151171:151819).
1587
1588 2009-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1589
1590         * graphite-scop-detection.c (stmt_simple_memref_p): Removed.
1591         (is_simple_operand): Remove call to stmt_simple_memref_p.
1592         (stmt_simple_for_scop_p): Update call to is_simple_operand.
1593
1594 2009-09-17  David Edelsohn  <edelsohn@gnu.org>
1595
1596         * gcc.dg/graphite/interchange-mvt.c: New File.
1597         * gcc.dg/graphite/scop-dsyrk.c: New File.
1598         * gcc.dg/graphite/scop-dsyr2k.c: New File.
1599         * gcc.dg/graphite/scop-mvt.c: New File.
1600         * gcc.dg/graphite/scop-sor.c: New File.
1601
1602 2009-09-17 Li Feng  <nemokingdom@gmail.com>
1603
1604         * graphite-dependences.c (poly_drs_may_alias_p): Adjust definition.
1605         (pddr_original_scattering): Make sure 2 pdr2 in the same base object set.
1606         (graphite_carried_dependence_level_k): Ditto.
1607         * graphite-poly.c (new_poly_dr): Add init of PDR_BASE_OBJECT_SET.
1608         * graphite-poly.h (struct poly_dr): Add member dr_base_object_set.
1609         (new_poly_dr): Adjust declaration.
1610         * graphite-sese-to-poly.c (free_data_refs_aux): New.
1611         (free_gimple_bb): Added free_data_refs_aux.
1612         (build_poly_dr): Add dr_base_object_set.
1613         (partition_drs_to_sets): New.
1614         (dr_same_base_object_p): New.
1615         (build_alias_set_for_drs): New.
1616         (build_base_object_set_for_drs): New.
1617         (build_scop_drs): Add build_base_obj_set_for_drs.
1618         * graphite-sese-to-poly.h: Added #define for alias set number index and
1619         base object set index.
1620         * libgomp/testsuite/libgomp.graphite/force-parallel-6.c: Refine tests.
1621         * libgomp/testsuite/libgomp.graphite/pr4118.c: New.
1622
1623 2009-09-16  Alexander Monakov  <amonakov@ispras.ru>
1624
1625         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
1626         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
1627
1628 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1629
1630         * graphite-sese-to-poly.c (struct irp_data): Removed.
1631         (idx_record_params): Removed.
1632         (find_params_in_bb): Scan for parameters the access functions; don't
1633         parse the tree representation.
1634
1635 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1636
1637         * tree-ssa-loop.c (gate_graphite_transforms): Disable Graphite
1638         passes at -O1 and below.
1639
1640 2009-09-14  Sebastian Pop  <sebastian.pop@amd.com>
1641
1642         * graphite-blocking.c: Fix order of includes: tree-chrec.h, then
1643         tree-scalar-evolution.h, and then tree-data-ref.h.
1644         * graphite-clast-to-gimple.c: Same.
1645         * graphite-dependences.c: Same.
1646         * graphite-interchange.c: Same.
1647         * graphite-poly.c: Same.
1648         * graphite-scop-detection.c: Same.
1649         * graphite-sese-to-poly.c: Same.
1650         * graphite.c: Same.
1651         * lambda-code.c: Same.
1652         * matrix-reorg.c: Same.
1653         * tree-data-ref.c: Same.
1654         * tree-if-conv.c: Same.
1655         * tree-loop-distribu: Same.: Same.
1656         * tree-loop-linear.c: Same.
1657         * tree-parloops.c: Same.
1658         * tree-predcom.c: Same.
1659         * tree-vect-patterns.c: Same.
1660
1661 2009-09-02  Sebastian Pop  <sebastian.pop@amd.com>
1662
1663         Partially revert the previous patch, except the following.
1664         * tree-scalar-evolution.c (instantiate_scev_not): Adapted to pass
1665         as parameters the operands of the not expression.
1666
1667 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1668
1669         * tree-scalar-evolution.c (instantiate_scev_assign): New.
1670         Do not call analyze_scalar_evolution on assignments.
1671         (instantiate_scev_phi): Call analyze_scalar_evolution.
1672         (instantiate_scev_name): Call instantiate_scev_assign and
1673         instantiate_scev_phi.
1674         (instantiate_scev_not): Adapted to pass as parameters the operands
1675         of the not expression.
1676
1677 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1678
1679         * tree-scalar-evolution.c (instantiate_scev_binary): Adapted
1680         to pass as parameters the operands of the binary expression.
1681
1682 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1683
1684         * tree-scalar-evolution.c (instantiate_scev_bitnot): Renamed
1685         instantiate_scev_not.  Handle NEGATE_EXPR.
1686         (instantiate_scev_r): Handle NEGATE_EXPR.
1687
1688 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1689
1690         * tree-scalar-evolution.c (instantiate_scev_1): Renamed
1691         instantiate_scev_r.
1692         (instantiate_scev_r): Move code in instantiate_scev_2
1693         and instantiate_scev_1.
1694
1695 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1696
1697         * tree-scalar-evolution.c (instantiate_scev_3): New.
1698         (instantiate_scev_1): Move code in instantiate_scev_3.
1699
1700 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * tree-scalar-evolution.c (instantiate_scev_poly): New.
1703         (instantiate_scev_1): Move code in instantiate_scev_poly.
1704
1705 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1706
1707         * tree-scalar-evolution.c (instantiate_scev_bitnot): New.
1708         (instantiate_scev_1): Move code in instantiate_scev_bitnot.
1709
1710 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1711
1712         * tree-scalar-evolution.c (instantiate_scev_convert): New.
1713         (instantiate_scev_1): Move code in instantiate_scev_convert.
1714
1715 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1716
1717         * tree-scalar-evolution.c (instantiate_scev_binary): New.
1718         (instantiate_scev_1): Move code in instantiate_scev_binary.
1719
1720 2009-09-01  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * tree-scalar-evolution.c (instantiate_scev_name): New.
1723         (instantiate_scev_1): Move code in instantiate_scev_name.
1724
1725 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
1726
1727         * Merge from mainline (150992:151171).
1728
1729 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1730
1731         * opts.c (decode_options): Enable flag_loop_interchange at -O2.
1732
1733 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1734
1735         * graphite-dependences.c (graphite_legal_transform_bb): Call
1736         pbb_remove_duplicate_pdrs.
1737         * graphite-poly.c (can_collapse_pdr): Removed.
1738         (pdr_find_duplicate): Removed.
1739         (can_collapse_pdrs): New.
1740         (pbb_remove_duplicate_pdrs): New.
1741         (new_poly_dr): Do not look for duplicates.
1742         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
1743         (PBB_PDR_DUPLICATES_REMOVED): New.
1744         (pbb_remove_duplicate_pdrs): Declared.
1745
1746 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
1749         the strides by multiplying by PDR_NB_REFS.
1750         * graphite-poly.c (can_collapse_pdr): New.
1751         (pdr_find_duplicate): New.
1752         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
1753         Initialize PDR_NB_REFS.
1754         * graphite-poly.h (struct poly_dr): Add field nb_refs.
1755         (PDR_NB_REFS): New.
1756         (new_poly_dr): Number of subscripts is a graphite_dim_t.
1757
1758 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1759
1760         Revert one of the previous commits:
1761         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1762         the computation of symmetric data dependence relations.
1763         (dependency_between_pbbs_p): Same.
1764
1765 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1766
1767         PR middle-end/40965
1768         * graphite-poly.c (apply_poly_transforms): Remove legality test before
1769         any transform.
1770
1771 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1772
1773         * graphite-dependences.c (pddr_original_scattering): Return NULL
1774         for read-read dependence relations.
1775         * graphite-poly.h (enum poly_dr_type): Fix comment.
1776         (pdr_read_p): New.
1777         (pdr_write_p): New.
1778         (pdr_may_write_p): New.
1779
1780 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1781
1782         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
1783         (struct poly_dr): Same.
1784         (new_poly_dr): Same.
1785         * graphite-poly.c (new_poly_dr): Same.
1786
1787 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1788             Sebastian Pop  <sebastian.pop@amd.com>
1789
1790         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
1791         pbb_strip_mine_time_depth.  Changed the implementation so that
1792         transformation is expressed as a transformation on
1793         time (scatttering) dimensions.  Also, ensures that the 2d+1
1794         scheduling format is preserved.
1795         (pbb_strip_mine_profitable_p): Profitability is based on the
1796         iteration number of a given time (scattering) dimension,
1797         and not on a original loop depth dimension.
1798         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
1799         (pbb_do_strip_mine): Call psct_dynamic_dim.
1800         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
1801         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
1802         (pbb_nb_dynamic_scattering_transform): New.
1803         (psct_dynamic_dim): New.
1804
1805 2009-08-25  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1806
1807         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1808         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
1809         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
1810         * graphite-interchange.c (build_linearized_memory_access): Same.
1811         (memory_stride_in_loop): Same.
1812
1813 2009-08-25  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * graphite-dependences.c (pddr_original_scattering): New.
1816         (graphite_legal_transform_dr): Call pddr_original_scattering.
1817         (dot_deps_1): New.
1818         (dot_deps): New.
1819         * graphite-dependences.h (dot_deps): Declared.
1820         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
1821         (print_pdr): Print PDR_ID.
1822         * graphite-poly.h (struct poly_dr): Add field id.
1823         (PDR_ID): New.
1824         (pbb_index): New.
1825         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
1826
1827 2009-08-22  Sebastian Pop  <sebastian.pop@amd.com>
1828
1829         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
1830         not delete the original dependence relation.
1831
1832 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1833
1834         * graphite-dependences.c (graphite_legal_transform_bb): Avoid
1835         the computation of symmetric data dependence relations.
1836         (dependency_between_pbbs_p): Same.
1837
1838 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1839
1840         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
1841         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
1842         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
1843         (free_poly_ddr): New.
1844         (pddr_is_empty): New.
1845         (dependence_polyhedron_1): Now returns a poly_ddr_p.
1846         (dependence_polyhedron): Same.  Remove useless gcc_assert.
1847         Remove fprintfs.
1848         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
1849         (graphite_carried_dependence_level_k): Call pddr_is_empty.
1850         * graphite-dependences.h (enum poly_dependence_kind): New.
1851         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
1852         (PDRP_SOURCE): Renamed PDDR_SOURCE.
1853         (PDRP_SINK): Renamed PDDR_SINK.
1854         (PDRP_DDP): Renamed PDDR_DDP.
1855         (PDDR_KIND): New.
1856         (free_poly_ddr): Declared.
1857         * graphite-poly.c (new_scop): Use the new hash function names.
1858         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
1859         into original_pddrs.
1860         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
1861
1862 2009-08-21  Sebastian Pop  <sebastian.pop@amd.com>
1863
1864         * Merge from mainline (150764:150992).
1865
1866 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1867
1868         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
1869         bounds with LT_EXPR to make niter analysis more precise on code
1870         generated by Graphite.
1871
1872 2009-08-18  Sebastian Pop  <sebastian.pop@amd.com>
1873
1874         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
1875         (graphite_legal_transform_bb): Same.
1876         (poly_drs_may_alias_p): Same.
1877
1878 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
1879
1880         PR middle-end/40981
1881         * graphite-ppl.c (ppl_max_for_le): Correct the use of
1882         ppl_Pointset_Powerset_C_Polyhedron_maximize.
1883
1884 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         * graphite-poly.c (print_pbb): Print PBB index.
1887
1888 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1889
1890         * Merge from mainline (r150672:150764).
1891
1892 2009-08-13  Sebastian Pop  <sebastian.pop@amd.com>
1893
1894         * graphite-interchange.c (ppl_max_for_le): Moved...
1895         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
1896         * graphite-ppl.c (ppl_max_for_le): ... here.
1897         * graphite-ppl.h (ppl_max_for_le): Declared.
1898
1899 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
1900
1901         * Merge from mainline (r150372:150672).
1902
1903 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         PR middle-end/40980
1906         * sese.c (convert_for_phi_arg): New.
1907         (add_guard_exit_phis): Use convert_for_phi_arg.
1908
1909         * gfortran.dg/graphite/id-17.f: New.
1910
1911 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1912
1913         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
1914         unknown subscript upper bounds.
1915
1916         * gcc.dg/graphite/interchange-6.c: Un-XFAIL.
1917
1918 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1919             Pranav Garg  <pranav.garg2107@gmail.com>
1920
1921         * graphite-interchange.c (gather_access_strides): Removed.
1922         (ppl_max_for_le): New.
1923         (build_linearized_memory_access): New.
1924         (memory_stride_in_loop): New.
1925         (pbb_interchange_profitable_p): Reimplemented.
1926         * graphite-ppl.h (ppl_new_id_map): New.
1927         (ppl_interchange): New.
1928
1929         * gcc.dg/graphite/interchange-6.c: XFAILed.
1930
1931 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1932
1933         * graphite-interchange.c (compute_subscript): Removed.
1934         (compute_array_size_cstr): Removed.
1935         (compute_array_size_poly): Removed.
1936         (compute_array_size): Removed.
1937         (gather_access_strides_poly): Removed.
1938         (gather_access_strides): Empty.
1939
1940 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1941
1942         * graphite-dependences.c (dependence_polyhedron_1): Replace
1943         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
1944         (graphite_legal_transform_dr): Same.
1945         (graphite_carried_dependence_level_k): Same.
1946         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
1947         Initialize PDR_NB_SUBSCRIPTS.
1948         (print_pdr_access_layout): Replace pdr_nb_subscripts with
1949         PDR_NB_SUBSCRIPTS.
1950         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
1951         (PDR_NB_SUBSCRIPTS): New.
1952         (pdr_nb_subscripts): Removed.
1953         (pdr_dim): Simplified.
1954         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
1955         with PDR_NB_SUBSCRIPTS.
1956
1957 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1958
1959         * graphite-interchange.c (compute_array_size): Remove use of
1960         PDR_DATA_CONTAINER.
1961         * graphite-poly.c (new_poly_dr): Remove argument data_container.
1962         Do not initialize PDR_DATA_CONTAINER.
1963         (print_pdr): Do not print PDR_DATA_CONTAINER.
1964         * graphite-poly.h (struct poly_dr): Remove data_container field.
1965         (PDR_DATA_CONTAINER): Removed.
1966         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
1967         PDR_DATA_CONTAINER.
1968         (build_poly_dr): Same.
1969
1970 2009-08-11  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * gcc.dg/graphite/interchange-9.c: New.
1973
1974 2009-08-05  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
1975             Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
1978         copy of the dependence polyhedron.  Free the temporary objects.
1979         (graphite_carried_dependence_level_k): Free unused objects before
1980         returning.
1981
1982         * gcc.dg/graphite/interchange-1.c: XFAILed.
1983         * gcc.dg/graphite/interchange-2.c: XFAILed.
1984         * gcc.dg/graphite/interchange-3.c: XFAILed.
1985         * gcc.dg/graphite/interchange-4.c: XFAILed.
1986         * gcc.dg/graphite/interchange-7.c: XFAILed.
1987
1988 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
1991         Early return without analyzing the data dependences if no
1992         transform has been done.  Call restore_scattering if the transform
1993         is not legal.
1994         (graphite-interchange.c): Same.
1995         * graphite-poly.c (print_scattering_function): Test for PBB_TRANSFORMED.
1996         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
1997         (apply_poly_transforms): Do not gcc_assert that
1998         the transform is legal.
1999         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2000         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
2001         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
2002         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
2003         * graphite-poly.h (struct poly_scattering): New.
2004         (struct poly_bb): Add original, transformed, and saved fields.
2005         Remove transformed_scattering, original_scattering, nb_local_variables,
2006         and nb_scattering_transform fields.
2007         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
2008         (poly_scattering_new): New.
2009         (poly_scattering_free): New.
2010         (poly_scattering_copy): New.
2011         (store_scattering_pbb): New.
2012         (store_scattering): New.
2013         (restore_scattering_pbb): New.
2014         (restore_scattering): New.
2015         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2016         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
2017
2018 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2019
2020         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
2021         (print_scop): Same.
2022
2023 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         * Makefile.in (graphite.o): Depends on PREDICT_H.
2026         * graphite.c: Include predict.h.
2027         (graphite_finalize): Call tree_estimate_probability.
2028         * predict.c (predict_loops): Do not call scev_initialize and
2029         scev_finalize.
2030         (tree_estimate_probability_bb): New.
2031         (tree_estimate_probability): Do not initialize loops: move that
2032         code to the driver.  Call tree_estimate_probability_bb.
2033         (tree_estimate_probability_driver): New.
2034         (pass_profile): Use tree_estimate_probability_driver.
2035         * predict.h (tree_estimate_probability): Declared.
2036
2037 2009-08-05  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
2040         * graphite-dependences.c (graphite_legal_transform): Add time to
2041         TV_GRAPHITE_DATA_DEPS.
2042         (dependency_between_pbbs_p): Same.
2043         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
2044
2045 2009-08-03  Sebastian Pop  <sebastian.pop@amd.com>
2046
2047         * Merge from mainline (r149952:150372).
2048
2049 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2050
2051         * ChangeLog.graphite: Fix indenting, white spaces and 80 columns.
2052         * graphite-blocking.c: Same.
2053         * graphite-clast-to-gimple.c: Same.
2054         * graphite-dependences.c: Same.
2055         * graphite-poly.c: Same.
2056         * graphite-poly.h: Same.
2057         * graphite-ppl.c: Same.
2058         * graphite-scop-detection.c: Same.
2059         * graphite-sese-to-poly.c: Same.
2060         * graphite.c: Same.
2061
2062 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2063
2064         * graphite-sese-to-poly.c (loop_entry_phi_arg): New.
2065         (remove_simple_copy_phi): New.
2066         (remove_invariant_phi): New.
2067         (simple_copy_phi_p): New.
2068         (reduction_phi_p): New.
2069         (gsi_for_ssa_name_def): New.
2070         (insert_out_of_ssa_copy): New.
2071         (insert_out_of_ssa_copy_on_edge): New.
2072         (create_zero_dim_array): New.
2073         (scalar_close_phi_node_p): New.
2074         (rewrite_close_phi_out_of_ssa): New.
2075         (rewrite_phi_out_of_ssa): New.
2076         (rewrite_reductions_out_of_ssa): New.
2077         (build_poly_scop): Call rewrite_reductions_out_of_ssa.
2078
2079         * gcc.dg/graphite/id-11.c: New.
2080         * gcc.dg/graphite/id-15.c: New.
2081         * gcc.dg/graphite/interchange-1.c: Un-XFAIL.
2082         * gcc.dg/graphite/interchange-2.c: Un-XFAIL.
2083         * gcc.dg/graphite/interchange-3.c: Un-XFAIL.
2084         * gcc.dg/graphite/interchange-4.c: Un-XFAIL.
2085         * gcc.dg/graphite/interchange-7.c: Un-XFAIL.
2086         * gcc.dg/graphite/scop-matmult.c: Un-XFAIL.
2087         * gfortran.dg/graphite/id-13.f: New.
2088         * gfortran.dg/graphite/id-5.f: New.
2089
2090 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2091
2092         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not
2093         check that nb_reductions_in_loop is zero.
2094         * graphite-scop-detection.c (harmful_stmt_in_bb): Don't filter out
2095         reduction phi nodes.
2096         (nb_reductions_in_loop): Removed.
2097         (graphite_can_represent_loop): Do not call nb_reductions_in_loop.
2098         * graphite-sese-to-poly.c (phi_node_is_iv): Removed.
2099         (bb_contains_non_iv_scalar_phi_nodes): Removed.
2100         (scop_contains_non_iv_scalar_phi_nodes): Removed.
2101         (build_poly_scop): Do not call scop_contains_non_iv_scalar_phi_nodes.
2102
2103 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2104
2105         * graphite-clast-to-gimple.c (build_cloog_prog): Do not code generate
2106         statements that have an empty iteration domain.
2107         * gfortran.dg/graphite/id-16.f: New.
2108
2109 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2110
2111         * tree-scalar-evolution.c (instantiate_scev_1): Return
2112         chrec_dont_know when the result is not above instantiate_below.
2113         * graphite-scop-detection.c (scopdet_basic_block_info): Fix formatting.
2114         * graphite-sese-to-poly.c (create_linear_expr_from_tree): Assert that
2115         the tree has a known scalar evolution.
2116         * gfortran.dg/graphite/id-14.f: New.
2117         * gfortran.dg/graphite/id-15.f: New.
2118
2119 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2120
2121         * sese.c (rename_variables_in_stmt): Pass in an extra parameter
2122         insert_gsi.
2123         (rename_variables): Keep inserting renames after the ones already
2124         inserted.
2125
2126 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * graphite-sese-to-poly.c (compare_bb_depths): New.
2129         (graphite_sort_dominated_info): New.
2130         (build_scop_bbs_1): Call graphite_sort_dominated_info.
2131         (build_scop_scattering): Fix comment.
2132
2133 2009-07-28  Sebastian Pop  <sebastian.pop@amd.com>
2134
2135         * graphite.c (graphite_finalize): Call print_loops instead of
2136         dump_function_to_file.
2137         * gcc.dg/graphite/graphite.exp: Fix formatting.
2138         * gcc.dg/graphite/pr35356-1.c: New.  Look for the number of
2139         loops generated in the graphite output file.
2140         * gcc.dg/graphite/pr35356-2.c: New.
2141         * gcc.dg/graphite/pr35356-3.c: New.  XFAILed for now.
2142         * gfortran.dg/graphite/id-12.f: New.
2143
2144 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2145
2146         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c:
2147         Remove 2 XFAIL.
2148
2149 2009-07-24  Li Feng  <nemokingdom@gmail.com>
2150             Tobias Grosser  <grosser@fim.uni-passau.de>
2151
2152         * graphite-sese-to-poly.c (pdr_add_alias_set): Use data reference's
2153         alias set number build alias in ACCESSES polyhedron.
2154         (build_alias_set_for_drs): New.
2155         (build_pbb_drs): Added build_alias_set_for_drs.
2156         * graphite-dependences.c (poly_drs_may_alias_p): New.
2157         (graphite_carried_dependence_level_k): Check alias information
2158         before building polyhedron.
2159
2160 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2161
2162         * Makefile.in (lambda-code.o): Fix formatting.
2163
2164 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
2165
2166         * Merge from mainline (r149350-149952)
2167
2168 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2169
2170         * graphite-poly.c (apply_poly_transforms): Move strip_mine
2171         before interchange to prepare for loop blocking.
2172
2173 2009-07-18  Tobias Grosser  <grosser@fim.uni-passau.de>
2174
2175         * graphite-poly.c (apply_poly_transforms): Add checks after every
2176         transformation.
2177         * graphite-sese-to-poly.c (build_poly_scop): Remove check, as already
2178         done in apply_poly_transforms.
2179
2180 2009-07-17  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2181
2182         * graphite-dependences.c (build_lexicographically_gt_constraint):
2183         Replace RES parameter with *RES.
2184         (dependence_polyhedron_1): Pass an address of the parameter RES
2185         instead of value of RES.
2186
2187 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2188
2189         * graphite.c (graphite_finalize): Fix comment.
2190         (graphite_transform_loops): Reset scev info after code generation
2191         of each scop.
2192
2193 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2194
2195         * graphite.c (graphite_finalize): Call scev_reset.
2196
2197 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2198
2199         * graphite-clast-to-gimple.c (compute_cloog_iv_types): Do not create
2200         GBB_CLOOG_IV_TYPES hash table twice.
2201         * graphite-sese-to-poly.c (free_gimple_bb): Call free_data_refs.
2202         (add_condition_to_domain): Clear GMP values.
2203
2204 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2205
2206         * graphite-dependences.c: Fix formatting.
2207         * graphite-poly.c (free_poly_dr): Also free PDR_DATA_CONTAINER.
2208         (pbb_number_of_iterations): Free ppl_Linear_Expression.
2209         * graphite-sese-to-poly.c: Fix formatting.
2210         * graphite.c (graphite_transform_loops): Create the hash table
2211         after the early return.
2212
2213 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2214
2215         * gcc.dg/graphite/id-14.c: New.
2216         * gcc.dg/graphite/pr40157.c: New.
2217         * gfortran.dg/graphite/id-11.f: New.
2218
2219 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2220
2221         * graphite-sese-to-poly.c (nb_pbbs_in_loops): New.
2222         (build_poly_scop): Return false when there are no pbbs within
2223         loops to avoid to pass to cloog scops with no loops.
2224
2225 2009-07-16  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Avoid
2228         useless test "i % 2".
2229         (build_pbb_scattering_polyhedrons): Fix formatting.
2230         (build_poly_dr): Same.
2231         * graphite.c (graphite_transform_loops): Restructure.
2232
2233 2009-07-14  Razya Ladelsky  <razya@il.ibm.com>
2234
2235         * tree-ssa-loop-manip.c (rewrite_phi_with_iv): Remove
2236         reduction_list parameter.
2237         (rewrite_all_phi_nodes_with_iv): Same.
2238         (canonicalize_loop_ivs): Same.
2239         * tree-parloops.c (struct brli): Removed.
2240         (build_reduction_list_info): Removed.
2241         (build_new_reduction): New.
2242         (analyze_reduction_list): Removed.
2243         (gather_scalar_reductions): Find reductions instead of phi
2244         nodes that can't be canonicalized.
2245         (try_create_reduction_list): Remove reduction_list parameter.
2246         (gen_parallel_loop): Same.
2247         (parallelize_loops): Remove analyze_reductions variable,
2248         initialization and free.
2249         Change reduction_list htab initialization to reduction_info
2250         elements instead of ssa names.
2251         Call try_create_reduction_list and gen_parallel_loop without
2252         analyzed_reduction argument.
2253         * graphite-clast-to-gimple (graphite_loop_normal_form): Call
2254         canonicalize_loop_ivs with one less argument.
2255         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
2256
2257 2009-07-14  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2258
2259         * graphite-dependences.c (new_poly_dr_pair): New.
2260         (dependence_polyhedron): Renamed into dependence_polyhedron_1.
2261         (new_poly_dr_pair): New.
2262         (eq_poly_dr_pair_p): New.
2263         (hash_poly_dr_pair_p): New.
2264         * graphite-dependences.h (struct poly_dr_pair): New.
2265         (eq_poly_dr_pair_p): Declared.
2266         (hash_poly_dr_pair_p): Declared.
2267         * graphite-poly.c (new_scop): Initialize SCOP_ORIGINAL_PDR_PAIRS.
2268         (free_scop): Free SCOP_ORIGINAL_PDR_PAIRS.
2269         * graphite-poly.h (struct scop): Add original_pdr_pairs field.
2270         * Makefile.in (graphite-poly.o): Add dependence on
2271         graphite-dependences.h.
2272
2273 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2274
2275         * graphite-scop-detection.c (graphite_can_represent_scev): Do not let
2276         polynomials of degree > 1 pass to Graphite.
2277         * tree-chrec.c (scev_is_linear_expression): Call
2278         evolution_function_is_affine_multivariate_p.
2279         * gfortran.dg/graphite/id-10.f90: New.
2280
2281 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop):
2284         Instantiate scevs varying in outer loops.
2285         * gfortran.dg/graphite/id-9.f: Correct testcase.
2286
2287 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2288
2289         * graphite-sese-to-poly.c (build_loop_iteration_domains): Do not insert
2290         redundant constraint.
2291
2292 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * gcc.dg/graphite/graphite.exp: Fix comments.
2295         * gfortran.dg/graphite/graphite.exp: Trigger actions
2296         based on the file names as in the C testsuite.
2297         * gfortran.dg/graphite/block-1.f90: Fix patterns.
2298         * gfortran.dg/graphite/block-2.f: Same.
2299         * gfortran.dg/graphite/block-3.f90: Same.
2300         * gfortran.dg/graphite/block-4.f90: Same.
2301         * gfortran.dg/graphite/id-1.f90: Same.
2302         * gfortran.dg/graphite/id-2.f90: Same.
2303         * gfortran.dg/graphite/id-3.f90: Same.
2304         * gfortran.dg/graphite/id-4.f90: Same.
2305         * gfortran.dg/graphite/id-6.f: Same.
2306         * gfortran.dg/graphite/id-9.f: Same.
2307         * gfortran.dg/graphite/interchange-1.f: Same.
2308         * gfortran.dg/graphite/interchange-2.f: Same.
2309         * gfortran.dg/graphite/scop-1.f: Same.
2310
2311 2009-07-14  Sebastian Pop  <sebastian.pop@amd.com>
2312
2313         * sese.c (expand_scalar_variables_call): New.
2314         (expand_scalar_variables_ssa_name): Handle calls in expander.
2315
2316 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c:
2319         Expect to see the pattern twice.
2320         * gcc.dg/graphite/interchange-0.c: Un-XFAIL.
2321         * gcc.dg/graphite/interchange-5.c: Same.
2322         * gcc.dg/graphite/interchange-6.c: Same.
2323
2324 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2325
2326         * gcc.dg/graphite/id-10.c: New.
2327         * gcc.dg/graphite/id-12.c: New.
2328         * gfortran.dg/graphite/id-7.f: New.
2329         * gfortran.dg/graphite/id-8.f: New.
2330
2331 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2332
2333         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix division by
2334         zero.
2335
2336 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2337
2338         * sese.c (rename_variables_in_stmt): Call fold_convert during renaming.
2339
2340 2009-07-13  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         * sese.c (expand_scalar_variables_stmt): Avoid unnecessary expansion.
2343
2344 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2345
2346         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Fix order of
2347         building PDR subscripts.
2348
2349 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Fix the
2352         computation of array sizes.
2353
2354 2009-07-10  Sebastian Pop  <sebastian.pop@amd.com>
2355
2356         * graphite-sese-to-poly.c (add_param_constraints): Disabled.
2357
2358 2009-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
2359
2360         * graphite-dependences.c (map_into_dep_poly, map_dr_into_dep_poly,
2361         build_pairwise_constraint, dr_equality_constraints,
2362         build_pairwise_scheduling_equality,
2363         build_pairwise_scheduling_inequality, lexicographically_gt_p,
2364         build_lexicographically_gt_constraint, dependence_polyhedron,
2365         graphite_legal_transform_dr, graphite_carried_dependence_level_k):
2366         Move from NNC_Polyhedron to C_Polyhedron.
2367         * graphite-interchange.c (compute_array_size_poly,
2368         gather_access_strides): Dito.
2369         * graphite-poly.c (apply_poly_transforms, new_poly_dr, free_poly_bb,
2370         free_scop, pbb_number_of_iterations): Dito.
2371         * graphite-poly.h (struct poly_dr, pdr_nb_subscripts, struct poly_bb,
2372         pbb_dim_iter_domain, struct scop): Dito.
2373         * graphite-ppl.c (new_Constraint_System_from_Cloog_Matrix,
2374         new_Cloog_Domain_from_ppl_Polyhedron,
2375         new_Cloog_Domain_from_ppl_Pointset_Powerset, ppl_set_coef_gmp,
2376         ppl_insert_dimensions_pointset, ppl_insert_dimensions_pointset,
2377         ppl_strip_loop, ppl_strip_loop, ppl_print_polyhedron_matrix,
2378         ppl_print_powerset_matrix, debug_ppl_polyhedron_matrix,
2379         debug_ppl_powerset_matrix, ppl_read_polyhedron_matrix): Dito.
2380         * graphite-ppl.h (ppl_Pointset_Powerset_C_Polyhedron_t,
2381         new_C_Polyhedron_from_Cloog_Matrix, ppl_print_powerset_matrix,
2382         debug_ppl_powerset_matrix, ppl_insert_dimensions_pointset): Dito.
2383         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons,
2384         build_loop_iteration_domains, ppl_constraint_type_from_tree_code,
2385         add_condition_to_domain, add_condition_to_pbb, build_scop_context,
2386         build_scop_iteration_domain, build_poly_dr): Dito
2387
2388 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * gcc.dg/graphite/graphite.exp: Added a rule to execute
2391         run-id-*.c files.
2392         * gcc.dg/graphite/run-id-1.c: New.
2393
2394 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2395
2396         * graphite-sese-to-poly.c (build_loop_iteration_domains): Add the
2397         positivity constraint on the symbolic number of iterations.
2398
2399 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2400
2401         * graphite-sese-to-poly.c (build_loop_iteration_domains): Rewrite.
2402
2403 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2404             Tobias Grosser  <grosser@fim.uni-passau.de>
2405
2406         * graphite-clast-to-gimple.c (build_scop_context): Removed.
2407         (build_cloog_prog): Directly use SCOP_CONTEXT.
2408         * graphite-poly.c (new_scop): Initialize SCOP_CONTEXT.
2409         (free_scop): Free SCOP_CONTEXT.
2410         (print_scop_context): New.
2411         (print_scop): Call print_scop_context.
2412         (debug_scop_context): New.
2413         * graphite-poly.h (print_scop_context, debug_scop_context): Declared.
2414         (struct scop): Added field context.
2415         (SCOP_CONTEXT): New.
2416         * graphite-sese-to-poly.c (add_param_constraints): New.
2417         (build_scop_context): New.
2418         (build_poly_scop): Call build_scop_context.
2419
2420 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         * graphite-clast-to-gimple.c (gmp_cst_to_tree): Moved...
2423         * graphite-ppl.c (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): New.
2424         (ppl_set_inhomogeneous, ppl_set_coef): Moved...
2425         * graphite-ppl.h: Include double-int.h and tree.h.
2426         (ppl_set_inhomogeneous_gmp, ppl_set_coef_gmp): Declared.
2427         (ppl_set_inhomogeneous, ppl_set_coef): ...here.
2428         (gmp_cst_to_tree): ...here.  Reimplemented using mpz_get_double_int.
2429         (tree_int_to_gmp, ppl_set_inhomogeneous_tree, ppl_set_coef_tree): New.
2430
2431 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2432
2433         * graphite-clast-to-gimple.c (clast_to_gcc_expression_red): Generate
2434         POINTER_PLUS_EXPR for pointer types.
2435         (clast_to_gcc_expression): Same.
2436
2437 2009-07-09  Sebastian Pop  <sebastian.pop@amd.com>
2438
2439         * graphite-poly.c (print_scattering_function): Early return when
2440         PBB_TRANSFORMED_SCATTERING is not initialized.
2441         (print_pbb_domain): Early return when PBB_DOMAIN is not initialized.
2442
2443 2009-07-08  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * tree-parloops.c (analyze_reduction_list): Remove unused variable
2446         to fix bootstrap.
2447
2448 2009-07-08  Razya Ladelsky  <razya@il.ibm.com>
2449
2450         * tree-parloops.c (analyze_reduction_list): Change return
2451         value to void.
2452         (try_create_reduction_list): Move the call to
2453         analyze_reduction_list to the beginining.
2454         Call reduction_phi with analyzed_reductions as argument
2455         instead of reduction_list.
2456
2457 2009-07-08  Tobias Grosser  <grosser@fim.uni-passau.de>
2458
2459         *  Merge from mainline (r148296:149346)
2460
2461 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2462
2463         * graphite-scop-detection.c (graphite_can_represent_init): New.
2464         (graphite_can_represent_scev): Call graphite_can_represent_init:
2465         check that the initial value does not contain multiplications of
2466         parameters.
2467         (stmt_has_simple_data_refs_p): New.
2468         (stmt_simple_for_scop_p): Call stmt_simple_for_scop_p.
2469         (is_simple_operand): Fix formatting.
2470         * graphite-sese-to-poly.c (try_generate_gimple_bb): Fix formatting.
2471
2472 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2473
2474         * gcc.dg/graphite/id-13.c: New.
2475         * graphite-sese-to-poly.c (graphite_stmt_p): Do not call
2476         analyze_scalar_evolution, use scalar_evolution_in_region.
2477         (scan_tree_for_params_right_scev): Add extra assert.
2478         (parameter_index_in_region_1): Split from parameter_index_in_region.
2479         (idx_record_params): Use scalar_evolution_in_region.
2480         (find_params_in_bb): Same.
2481         (find_scop_parameters): Same.
2482         (build_loop_iteration_domains): Same.
2483         (create_linear_expr_from_tree): Same.
2484         * sese.c (scalar_evolution_in_region): New.
2485         * sese.h (scalar_evolution_in_region): Declared.
2486         (defined_in_sese_p): New.
2487         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
2488         static anymore.
2489         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
2490         Declared.
2491
2492 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2493
2494         * Makefile.in: Replace dependences on tree-chrec.h with SCEV_H.
2495         TREE_DATA_REF_H also implies SCEV_H.
2496
2497 2009-07-07  Sebastian Pop  <sebastian.pop@amd.com>
2498
2499         * graphite-poly.c (print_scop_params): New.
2500         (print_scop): Call print_scop_params.
2501         (debug_scop_params): New.
2502         * graphite-poly.h (print_scop_params, debug_scop_params): Declared.
2503
2504 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2505
2506         * gcc.dg/graphite/graphite_autopar/force-parallel-4.c: New.
2507         * gcc.dg/graphite/graphite_autopar/force-parallel-5.c: New.
2508         * gcc.dg/graphite/graphite_autopar/force-parallel-6.c: New.
2509         * gcc.dg/graphite/graphite_autopar/force-parallel-7.c: New.
2510         * gcc.dg/graphite/graphite_autopar/force-parallel-8.c: New.
2511         * gcc.dg/graphite/graphite_autopar/force-parallel-9.c: New.
2512
2513 2009-07-07  Li Feng  <nemokingdom@gmail.com>
2514
2515         * graphite-clast-to-gimple.c (mark_loops_parallel): Dump information
2516         for dependency checking part.
2517         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Add
2518         tests for dependency checking.
2519         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2520         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2521         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Add
2522         flag -fdump-tree-graphite-all for autopar testsuites.
2523
2524 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * Makefile.in (tree-ssa-loop-manip.o): Depends on langhooks.h.
2527         * tree-parloops.c (rewrite_phi_with_iv, rewrite_all_phi_nodes_with_iv,
2528         canonicalize_loop_ivs): Moved...
2529         * tree-ssa-loop-manip.c: ... here.  Include langhooks.h.
2530
2531 2009-07-06  Sebastian Pop  <sebastian.pop@amd.com>
2532
2533         * tree-parloops.c (try_create_reduction_list): Pass an extra
2534         argument analyzed_reductions.  Call analyze_reduction_list.
2535         (gen_parallel_loop): Do not call analyze_reduction_list.
2536         (parallelize_loops): Init and finalize analyzed_reductions.
2537
2538 2009-07-06  Li Feng  <nemokingdom@gmail.com>
2539
2540         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2541         Added flag -fno-loop-strip-mine for autopar testcase.
2542
2543 2009-07-04  Li Feng  <nemokingdom@gmail.com>
2544
2545         * graphite-dependences.c (graphite_carried_dependence_level_k): Use
2546         transformed scattering dimension instead of unmatch orignal when
2547         calling dependence_polyhedron.
2548
2549 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         * opts.c (decode_options): Enable flag_loop_strip_mine at -O2.
2552
2553 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2554
2555         * graphite-poly.c (pbb_number_of_iterations): Check for returned
2556         value 1 from ppl_Pointset_Powerset_NNC_Polyhedron_maximize.
2557
2558 2009-06-30  Sebastian Pop  <sebastian.pop@amd.com>
2559
2560         * graphite-blocking.c (pbb_strip_mine_profitable_p): New.
2561         (pbb_do_strip_mine): Call pbb_strip_mine_profitable_p.
2562         * graphite-poly.c (pbb_number_of_iterations): New.
2563         * graphite-poly.h (pbb_number_of_iterations): Declared.
2564         (pbb_iterator_dim, pbb_parameter_dim): New.
2565
2566 2009-06-29  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * graphite-clast-to-gimple.c (graphite_create_new_loop): Revert the
2569         last commit on type of lower and upper bound of loops.
2570
2571 2009-06-29  Li Feng  <nemokingdom@gmail.com>
2572
2573         * Makefile.in (graphite-clast-to-gimple.o): Added dependence on
2574         graphite-dependences.h.
2575         * graphite-clast-to-gimple.c (new_bb_pbb_def): New.
2576         (mark_bb_with_pbb): New.
2577         (get_stmtfor_depth): New.
2578         (find_pbb_via_hash): New.
2579         (dependency_in_loop_p): New.
2580         (mark_loops_parallel): New.
2581         (free_aux_in_new_loops): New.
2582         (translate_clast): Add parameter BB_PBB_MAPPING.  Mark newly created
2583         bb with it's relevant pbb. Mark newly created loops.  Remove mark
2584         innermost loop parallel without checking.
2585         (gloog): Add parameter BB_PBB_MAPPING.
2586         * graphite-clast-to-gimple.h (struct bb_pbb_def): New.
2587         (gloog): Change declaration.
2588         (mark_loop_parallel): Make extern.
2589         (free_aux_in_new_loops): Declare.
2590         (bb_pbb_map_hash): New.
2591         (eq_bb_pbb_map): New.
2592         * graphite.c (graphite_transform_loops): Added BB_PBB_MAPPING. Trigger
2593         auto parallelization when flag_graphite_force_parallel is set.
2594         (graphite_finalize): Added free_aux_in_new_loops.
2595         * tree-parloops.c (parallelize_loops): Only generate parallel code for
2596         the innermost loop that marked parallel.  Use
2597         flag_graphite_force_parallel instead of loop->can_be_parallel.
2598         (loop_parallel_p): Move inner most checking out of function.
2599
2600 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2601
2602         * graphite-clast-to-gimple.c (graphite_create_new_loop): Make the
2603         type of lower and upper bound of loops signed long int.
2604
2605 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * cfgloopmanip.c (create_empty_loop_on_edge): Gimplify the loop exit
2608         expression outside the loop.
2609
2610 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * gcc.dg/graphite/interchange-8.c: New.
2613
2614 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2615
2616         * gcc.dg/graphite/interchange-0.c: XFailed.
2617         * gcc.dg/graphite/interchange-5.c: XFailed.
2618         * gcc.dg/graphite/interchange-6.c: XFailed.
2619
2620 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2621
2622         * graphite-interchange.c (compute_array_size_poly): The end of the
2623         recursion should return 1.
2624
2625 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2626
2627         * graphite-interchange.c (compute_array_size_cstr): Allow the
2628         subscript multiplier to be -1.
2629         (compute_array_size): Use PDR_DATA_CONTAINER and not PDR_ACCESSES.
2630         * graphite-poly.c (new_poly_dr): Takes an extra argument for the
2631         data_container.  Initializes PDR_DATA_CONTAINER.
2632         (print_pdr_access_layout): New.
2633         (print_pdr): Call print_pdr_access_layout.  Print PDR_DATA_CONTAINER.
2634         * graphite-poly.h (struct poly_dr): Adjust comment.  Add a new field
2635         data_container.
2636         (PDR_DATA_CONTAINER): New.
2637         (new_poly_dr): Update declaration.
2638         * graphite-sese-to-poly.c (pdr_add_data_dimensions): New.
2639         (build_poly_dr): Call pdr_add_data_dimensions.
2640
2641 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2642
2643         * graphite-poly.h (struct poly_dr): Fix comment.
2644         * graphite-sese-to-poly.c (pdr_add_alias_set): New.
2645         (pdr_add_memory_accesses): New.
2646         (build_poly_dr): Call pdr_add_memory_accesses and pdr_add_alias_set.
2647
2648 2009-06-26  Sebastian Pop  <sebastian.pop@amd.com>
2649
2650         * graphite-poly.c (print_pdrs, debug_pdrs): New.
2651         (print_pbb): Add call to print_pdrs.
2652         * graphite-poly.h (print_pdrs, debug_pdrs): Declared.
2653
2654 2009-06-24  Konrad Trifunovic <konrad.trifunovic@gmail.com>
2655             Li Feng <nemokingdom@gmail.com>
2656
2657         * graphite-dependences.c (graphite_carried_dependence_level_k): New.
2658         (dependency_between_pbbs_p): New.
2659         (lexicographically_gt_p): Assure !empty_p before polyhedron
2660         intersection assign.
2661         (build_lexicographically_gt_constraint): Correct lexicographically
2662         judging.
2663         * graphite-dependences.h: New.
2664         * Makefile.in (graphite-dependences.o): Add graphite-dependences.h.
2665
2666 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2667
2668         * graphite-clast-to-gimple.c (print_clast_stmt): New.
2669         (gloog): Print to dump_file the generated clast.
2670         * graphite-clast-to-gimple.h (print_clast_stmt): Declared.
2671         * graphite-interchange.c (pbb_do_interchange): Fix dump formatting.
2672
2673 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2674
2675         * graphite-poly.c (extend_scattering): Increment
2676         PBB_NB_LOCAL_VARIABLES by the number of added dimensions.
2677
2678 2009-06-24  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * graphite-interchange.c (compute_array_size_poly): Added exit of
2681         recursion condition.  Continue iterating even after the first equality.
2682         (compute_array_size): Same.
2683
2684 2009-06-24  Li Feng  <nemokingdom@gmail.com>
2685
2686         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: Update
2687         -fdump-tree-final_cleanup to -fdump-tree-optimized.
2688         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: Ditto.
2689         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: Ditto.
2690         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: Ditto.
2691
2692 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * sese.c (expand_scalar_variables_stmt): Expand scalar variables
2695         only when the use verifies is_gimple_reg.
2696
2697 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2698
2699         * graphite-clast-to-gimple.c (build_cloog_prog): Fix memory corruption.
2700         Allocate scaldims after call to unify_scattering_dimensions.
2701
2702 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * graphite-clast-to-gimple.c (translate_clast): Fix memory leak.
2705
2706 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2707             Albert Cohen  <albert.cohen@inria.fr>
2708
2709         * graphite-blocking.c (pbb_strip_mine_loop_depth): Do not use local
2710         variables for the strip mining.
2711
2712 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2713             Pranav Garg  <pranav.garg2107@gmail.com>
2714
2715         * Makefile.in (OBJS-common): Added graphite-blocking.o.
2716         (graphite-sese-to-poly.o): Moved down to be in lexicographical order.
2717         (graphite-blocking.o): New rule.
2718         (graphite-poly.o, graphite-ppl.o): Moved to be in lexicographical order.
2719         * graphite-blocking.c: New.
2720         * graphite-poly.c (apply_poly_transforms): Call scop_do_strip_mine for
2721         flag_loop_strip_mine.
2722         (psct_scattering_dim_for_loop_depth): New.
2723         * graphite-poly.h (scop_do_strip_mine): Declared.
2724         (psct_add_local_variable): Increment PBB_NB_LOCAL_VARIABLES.
2725         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when using
2726         flag_loop_strip_mine.
2727
2728 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * graphite-poly.c (extend_scattering): Avoid initializing and freeing
2731         a GMP value and a PPL coefficient at each iteration of a loop.
2732
2733 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-dependences.c (dependence_polyhedron): Do not use
2736         pbb_nb_scattering_dims anymore.  Use pbb_nb_scattering_orig and
2737         pbb_nb_scattering_transform.
2738         (graphite_legal_transform_dr): Same.
2739         * graphite-poly.c (extend_scattering): Same.
2740         (unify_scattering_dimensions): Same.
2741         (print_scattering_function): Same.
2742         (new_poly_bb): Initialize PBB_NB_SCATTERING_TRANSFORM and
2743         PBB_NB_LOCAL_VARIABLES.
2744         * graphite-poly.h (pbb_nb_scattering): Removed declaration.
2745         (struct poly_bb): Added nb_local_variables and nb_scattering_transform.
2746         (PBB_NB_LOCAL_VARIABLES, PBB_NB_SCATTERING_TRANSFORM): New.
2747         (pbb_nb_scattering_orig, pbb_nb_scattering_transform): New.
2748         (pbb_nb_scattering_dims, pbb_nb_scattering): Removed.
2749         (pbb_nb_scattering_transform): New.
2750         (pbb_nb_local_vars): Return PBB_NB_LOCAL_VARIABLES.
2751         (psco_scattering_dim): Add assert on parameters.
2752         (psct_scattering_dim): Same.
2753         (psct_scattering_dim_for_loop_depth): Declared.
2754         (psct_local_var_dim): New.
2755         (psco_iterator_dim, psco_parameter_dim): Add assert on parameters.
2756         (psct_iterator_dim, psct_parameter_dim): Same.  To maintain the
2757         correct layout, call pbb_nb_local_vars.
2758         (psct_add_local_variable, psct_add_scattering_dimension): New.
2759         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
2760         Initialize PBB_NB_SCATTERING_TRANSFORM.
2761
2762 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite-ppl.c (set_inhomogeneous): Renamed ppl_set_inhomogeneous.
2765         (set_coef): Renamed ppl_set_coef.
2766         * graphite-ppl.h (ppl_set_inhomogeneous, ppl_set_coef): Declared.
2767
2768 2009-06-23  Sebastian Pop  <sebastian.pop@amd.com>
2769
2770         * graphite-dependences.c (build_pairwise_scheduling_inequality): Don't
2771         test a boolean against 1.
2772         * graphite-interchange.c (pbb_interchange_loop_depths): Do not build
2773         a new polyhedron for the PBB_TRANSFORMED_SCATTERING.
2774         (pbb_do_interchange): Returns true when a transform has been performed.
2775         (scop_do_interchange): Same.
2776         * graphite-poly.c (apply_poly_transforms): Use the return value of
2777         scop_do_interchange.
2778         * graphite-poly.h (scop_do_interchange): Update declaration.
2779
2780 2009-06-23  Tobias Grosser  <grosser@fim.uni-passau.de>
2781
2782         * graphite-clast-to-gimple.c (gloog): Reset loop->aux right
2783         after last use.
2784         * sese.c (sese_reset_aux_in_loops): New.
2785         * sese.h (sese_reset_aux_in_loops): New.
2786
2787 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-sese-to-poly.c (scan_tree_for_params_int): Pass in the
2790         multiplier and multiply the constant by the multiplier.
2791         (scan_tree_for_params): Bound the multiplier to its MULT_EXPR.
2792         (build_poly_dr): Do not use the multiplier to define the subscript.
2793
2794 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2795
2796         * graphite-poly.c (new_poly_dr): Pass an extra argument for the
2797         compiler's data reference.  Initialize PDR_CDR.
2798         (print_pdr): Call dump_data_reference.
2799         * graphite-poly.h (struct poly_dr): Rename black_box into pbb.
2800         Add compiler_dr field.
2801         (PDR_BB): Renamed PDR_PBB.
2802         (PDR_CDR): New.
2803         * graphite-sese-to-poly.c (build_poly_dr): Pass to new_poly_dr
2804         GCC's data reference representation.
2805         * tree-data-ref.c (debug_data_references, debug_data_reference): New.
2806         * tree-data-ref.h (debug_data_references, debug_data_reference): Decl.
2807
2808 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2809
2810         * graphite-poly.c (print_scattering_function): Also print the layout.
2811         * graphite-poly.h (pbb_nb_local_vars): New.
2812
2813 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2814
2815         * graphite-poly.c (print_pbb_domain): Also print the layout names.
2816
2817 2009-06-19  Sebastian Pop  <sebastian.pop@amd.com>
2818
2819         * graphite-poly.c (print_pdr, debug_pdr): New.
2820         * graphite-poly.h (print_pdr, debug_pdr): Declared.
2821         (PDR_BASE): Removed.
2822
2823 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2824
2825         * gcc.dg/graphite/interchange-{1..7}.c: New avatars of
2826         ltrans-{1..6,8}.c.
2827
2828 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2829
2830         * graphite-interchange.c (compute_subscript): Allow also -1 in the
2831         subscript identification column.
2832         (pbb_do_interchange): Print to dump_file that some loops "will be
2833         interchanged".  Rely on that chain of characters in the testcases.
2834         * gcc.dg/graphite/interchange-0.c: New.
2835         * gcc.dg/graphite/graphite.exp: Iterate over the testsuite
2836         interchange-*.c files and compile them with -floop-interchange.
2837
2838 2009-06-18  Pranav Garg  <pranav.garg2107@gmail.com>
2839
2840         * graphite-interchange.c (interchange_profitable_p): Renamed
2841         pbb_interchange_profitable_p.
2842
2843 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2844             Harsha Jagasia  <harsha.jagasia@amd.com>
2845             Pranav Garg  <pranav.garg2107@gmail.com>
2846
2847         * graphite-interchange.c (interchange_profitable_p): Make static.
2848         (pbb_interchange_loop_depths, pbb_do_interchange,
2849         scop_do_interchange): New.
2850         * graphite-poly.c (apply_poly_transforms): Call scop_do_interchange
2851         for flag_loop_interchange.
2852         * graphite-poly.h (scop_do_interchange): Declared.
2853         * tree-ssa-loop.c (gate_graphite_transforms): Do not fail when
2854         flag_loop_interchange is used.
2855
2856 2009-06-18  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         * graphite-dependences.c (dependence_polyhedron): Update use of
2859         pbb_nb_scattering_dims.
2860         * graphite-poly.h (pbb_nb_scattering_dims): Do not pass SCOP.
2861         (pbb_nb_scattering): Update use of pbb_nb_scattering_dims.
2862         (psco_scattering_dim, psct_scattering_dim, psco_iterator_dim,
2863         psct_iterator_dim, psco_parameter_dim, psct_parameter_dim): New.
2864
2865 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2866
2867         * graphite.c: Cleanup foo.
2868
2869 2009-06-16  Sebastian Pop  <sebastian.pop@amd.com>
2870
2871         * Merge from mainline (r143684:148293).
2872         * Disabled libpcp until it gets fixed.
2873
2874 2009-06-05  Sebastian Pop  <sebastian.pop@amd.com>
2875             Harsha Jagasia  <harsha.jagasia@amd.com>
2876
2877         * graphite-interchange.c: New.
2878         * Makefile.in (graphite-interchange.o): New.
2879         * graphite-poly.h (interchange_profitable_p): Declared.
2880         * graphite-ppl.h (value_max): New.
2881
2882 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         * graphite-dependences.c (dependence_polyhedron): Use pdr_dim.
2885         * graphite-poly.h: Fix some comments.
2886         (pdr_dim): New.
2887         (pdr_scop): New.
2888
2889 2009-06-04  Sebastian Pop  <sebastian.pop@amd.com>
2890
2891         * graphite-poly.h
2892         (pdr_accessp_nb_subscripts): Renamed pdr_nb_subscripts.
2893         (pdr_accessp_nb_iterators): Renamed pdr_dim_iter_domain.
2894         (pdr_accessp_nb_params): Renamed pdr_nb_params.
2895         (pdr_accessp_alias_set_dim): Renamed pdr_alias_set_dim.
2896         (pdr_accessp_subscript_dim): Renamed pdr_subscript_dim.
2897         (pdr_accessp_iterator_dim): Renamed pdr_iterator_dim.
2898         (pdr_accessp_param_dim): Renamed pdr_parameter_dim.
2899         (pbb_nb_loops): Renamed pbb_dim_iter_domain.
2900         * graphite-clast-to-gimple.c: Same.
2901         * graphite-dependences.c: Same.
2902         * graphite-poly.c: Same.
2903         * graphite-sese-to-poly.c: Same.
2904
2905 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2906
2907         * graphite-clast-to-gimple.c (build_iv_mapping): Insert full
2908         expressions for an IV rename, as returned by clast_to_gcc_expression.
2909         (copy_renames): Rename new_name to expr.
2910         * sese.c (debug_rename_elt): Same.
2911         (get_rename): Same.
2912         (set_rename): Same.
2913         (sese_adjust_liveout_phis): Call force_gimple_operand before using
2914         the information from the rename map.
2915         (rename_variables_in_stmt): Same.
2916         (add_loop_exit_phis): Rename new_name to expr.
2917         (insert_loop_close_phis): Same.
2918         (add_guard_exit_phis): Same.  Call force_gimple_operand.
2919         * sese.h (struct rename_map_elt): Rename new_name to expr.
2920         (new_rename_map_elt): Same.
2921
2922 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2923
2924         * graphite-clast-to-gimple.c (build_iv_mapping): Use set_rename.
2925         * sese.c (set_rename): Make it extern.
2926         * sese.h (set_rename): Declared.
2927
2928 2009-06-03  Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         * graphite-poly.c (extend_scattering): Free values.
2931         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset):
2932         Free iterators.
2933         (ppl_print_powerset_matrix): Same.
2934         * graphite-scop-detection.c (free_scops_1): New.
2935         (limit_scops): Call free_scops_1.
2936         * graphite-sese-to-poly.c (build_scop_bbs_1): Free dom.
2937         (build_poly_dr): Free PPL coefficients.
2938         * tree-parloops.c (rewrite_all_phi_nodes_with_iv): Free bbs.
2939
2940 2009-06-02  Sebastian Pop  <sebastian.pop@amd.com>
2941
2942         * graphite-dependences.c: New.
2943         * graphite-data-ref.c: Removed.
2944         * graphite-data-ref.h: Removed.
2945         * Makefile.in (graphite-data-ref.o): Removed.
2946         (graphite-dependences.o): Added.
2947         * graphite-clast-to-gimple.c: Remove dependence on graphite-data-ref.h.
2948         * graphite-poly.c: Same.
2949         Move the data dependence testing to graphite-dependences.c.
2950
2951 2009-05-19  Tobias Grosser  <grosser@fim.uni-passau.de>
2952
2953         * graphite-scop-detection.c (graphite_can_represent_loop): Renamed
2954         from graphite_cannot_represent_loop. Code refactored.
2955         (scopdet_basic_block_info): Call graphite_can_represent_loop.
2956
2957 2009-05-17  Li Feng  <nemokingdom@gmail.com>
2958
2959         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp:
2960         Cover all the testcases (not only the filtered ones).
2961
2962 2009-05-17  Tobias Grosser  <grosser@fim.uni-passau.de>
2963
2964         * graphite-scop-detection.c (stmt_simple_for_scop_p): Remove
2965         unnecessary check. Update comments. Move check for REAL_TYPE here.
2966         (harmful_stmt_in_bb): Remove checks for conditions. This is already
2967         done in (stmt_simple_for_scop_p).
2968
2969 2009-05-14 Tobias Grosser  <grosser@fim.uni-passau.de>
2970
2971         * graphite.c (print_global_statistics): New.
2972         (print_graphite_scop_statistic): New.
2973         (print_graphite_statistics): New.
2974         (graphite_initialize, graphite_transform_loops): Print statistics.
2975         * graphite-scop-detection (build_scops): Print statistics.
2976         (print_graphite_scop_statistics): New.
2977         (print_graphite_statistics): New.
2978
2979 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * graphite-clast-to-gimple.c (struct clast_name_index): Removed.
2982         (debug_clast_name_index): Removed.
2983         (debug_clast_name_indexes_1): Removed.
2984         (debug_clast_name_indexes): Removed.
2985         (clast_name_index_elt_info): Removed.
2986         (eq_clast_name_indexes): Removed.
2987         (clast_name_to_index): Removed.
2988         (new_clast_name_index): Removed.
2989         (save_clast_name_index): Removed.
2990         (save_var_name): Moved...
2991         (init_sese_params_index): Removed.
2992         (clast_name_to_gcc): Remove use of name_tree.
2993         (initialize_cloog_names): Same.
2994         (gloog): Do not call init_sese_params_index.
2995         * graphite-sese-to-poly.c (save_var_name): ...here.
2996         (parameter_index_in_region): New.
2997         * sese.c (new_sese): Initialize SESE_PARAMS_NAMES.
2998         (parameter_index_in_region): Removed.
2999         (is_parameter): Remove use of name_tree.
3000         * sese.h (struct name_tree): Removed.
3001         (struct sese): Remove use of name_tree.  New field params_names.
3002         (SESE_PARAMS_NAMES): New.
3003         (SESE_PARAMS): Remove duplicate.
3004         (parameter_index_in_region): Removed.
3005         (sese_nb_params): Remove use of name_tree.
3006         (struct clast_name_index): New.
3007         (new_clast_name_index): New.
3008         (clast_name_to_index): New.
3009         (save_clast_name_index): New.
3010         (debug_clast_name_index): New.
3011         (debug_clast_name_indexes_1): New.
3012         (debug_clast_name_indexes): New.
3013         (clast_name_index_elt_info): New.
3014         (eq_clast_name_indexes): New.
3015
3016 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3017
3018         * graphite-clast-to-gimple.c (compute_cloog_iv_types_1): Call
3019         pbb_to_depth_to_oldiv.  Remove call to oldiv_for_loop.
3020         (graphite_loop_normal_form): Do not pass region.  Do not
3021         initialize SESE_OLDIVS.
3022         (build_graphite_loop_normal_form): Update call to
3023         graphite_loop_normal_form.
3024         * sese.c (debug_oldivs): Removed.
3025         (new_sese): Do not initialize SESE_OLDIVS.
3026         (free_sese): Do not free SESE_OLDIVS.
3027         (oldiv_for_loop): Removed.
3028         * sese.h (struct sese): Remove old_ivs.
3029         (SESE_OLDIVS): Removed.
3030         (oldiv_for_loop): Removed.
3031
3032 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3033
3034         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass newivs,
3035         remove ivstack.  Remove call to loop_iv_stack_get_iv_from_name,
3036         replaced by a call to newivs_to_depth_to_newiv.
3037         (clast_to_gcc_expression): Pass newivs, remove ivstack.
3038         (clast_to_gcc_expression_red): Same.
3039         (gcc_type_for_clast_expr): Same.
3040         (gcc_type_for_clast_eq): Same.
3041         (graphite_translate_clast_equation): Same.
3042         (graphite_create_guard_cond_expr): Same.
3043         (graphite_create_new_guard): Same.
3044         (graphite_create_new_loop): Same.
3045         (build_iv_mapping): Same.
3046         (translate_clast): Same.
3047         (gloog): Same.
3048         (loop_iv_stack_patch_for_consts): Removed.  *
3049         sese.c (iv_stack_entry_is_constant): Removed.
3050         (iv_stack_entry_is_iv): Removed.
3051         (loop_iv_stack_push_iv): Removed.
3052         (loop_iv_stack_insert_constant): Removed.
3053         (loop_iv_stack_pop): Removed.
3054         (loop_iv_stack_get_iv): Removed.
3055         (loop_iv_stack_get_iv_from_name): Removed.
3056         (debug_loop_iv_stack): Removed.
3057         (free_loop_iv_stack): Removed.
3058         (loop_iv_stack_remove_constants): Removed.  *
3059         sese.h (iv_stack_entry_kind): Removed.
3060         (iv_stack_entry_data_union): Removed.
3061         (iv_stack_entry_struct): Removed.
3062         (iv_stack_entry_p): Removed.
3063         (debug_oldivs, debug_loop_iv_stack, loop_iv_stack_insert_constant,
3064         loop_iv_stack_get_iv_from_name, loop_iv_stack_push_iv,
3065         loop_iv_stack_get_iv, loop_iv_stack_remove_constants,
3066         loop_iv_stack_pop, free_loop_iv_stack): Removed.
3067         (gbb_loop_at_index): Fix indenting.
3068         (gbb_loop_index): Removed.
3069
3070 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3071
3072         * graphite-clast-to-gimple.c (clast_name_to_gcc): Do not use strcmp.
3073         Call clast_name_to_index.
3074
3075 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite-clast-to-gimple.c (clast_name_to_gcc): Pass region,
3078         do not pass params.  Get params from SESE_PARAMS.
3079         (clast_to_gcc_expression): Same.
3080         (clast_to_gcc_expression_red): Same.
3081         (gcc_type_for_clast_eq): Same.
3082         (graphite_translate_clast_equation): Same.
3083         (graphite_create_new_loop): Same.
3084         * sese.c (rename_variables_in_stmt): Fix comment.
3085
3086 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3087
3088         * graphite-clast-to-gimple.c (graphite_create_new_loop): Pass
3089         newivs_index.
3090         Call save_clast_name_index.
3091         (translate_clast): Pass newivs_index.
3092         (gloog): Create and free newivs_index.
3093
3094 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3095
3096         * graphite-clast-to-gimple.c (clast_name_index): New structure.
3097         (clast_name_index_p): New type.
3098         (debug_clast_name_index): New.
3099         (debug_clast_name_indexes_1): New.
3100         (debug_clast_name_indexes): New.
3101         (clast_name_index_elt_info): New.
3102         (eq_clast_name_indexes): New.
3103         (clast_name_to_index): New.
3104         (new_clast_name_index): New.
3105         (save_clast_name_index): New.
3106         (init_sese_params_index): New.
3107         (gloog): Call init_sese_params_index.
3108         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Declared.
3109         * sese.c (new_sese): Initialize SESE_PARAMS_INDEX.
3110         (free_sese): Free SESE_PARAMS_INDEX.
3111         * sese.h (struct sese): Add params_index.
3112         (SESE_PARAMS_INDEX): New.
3113
3114 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * graphite-clast-to-gimple.c (newivs_to_depth_to_newiv): New.
3117         (graphite_create_new_loop): Pass the newivs vector.  Push the
3118         newly created IV to newivs.
3119         (translate_clast): Pass the newivs vector.
3120         (gloog): Create and destroy the newivs vector.
3121
3122 2009-05-13  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         * graphite-clast-to-gimple.c (pbb_to_depth_to_oldiv): New.
3125         (graphite_loop_normal_form): Initialize loop->aux with the unique
3126         IV that has been created.
3127
3128 2009-05-13 Tobias Grosser  <grosser@fim.uni-passau.de>
3129
3130         * tree-chrec.c (evolution_function_right_is_integer_cst): Allow
3131         scev with parameters in the base part. They where forbidden
3132         exidently.
3133
3134 2009-05-11  Li Feng  <nemokingdom@gmail.com>
3135
3136         * gcc.dg/graphite/graphite.exp: Set different default
3137         compile options by file names.
3138         * gcc.dg/graphite/block{0-6}.c: Remove dg-option line.
3139         * gcc.dg/graphite/id-{1-9}.c: Ditto.
3140         * gcc.dg/graphite/scop-{0-20}.c: Ditto.
3141         * gcc.dg/graphite/scop-matmult.c: Ditto.
3142
3143 2009-05-08  Li Feng <nemokingdom@gmail.com>
3144
3145         * gcc.dg/graphite/graphite_autopar/graphite_autopar.exp: New.
3146         * gcc.dg/graphite/graphite_autopar/force-parallel-1.c: New.
3147         * gcc.dg/graphite/graphite_autopar/force-parallel-2.c: New.
3148         * gcc.dg/graphite/graphite_autopar/force-parallel-3.c: New.
3149
3150 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3151
3152         * graphite-scop-detection (build_scops_1): Fix little bug introduced
3153         by final cleanup.
3154
3155 2009-05-07  Tobias Grosser  <grosser@fim.uni-passau.de>
3156
3157         * graphite-scop-detection.c (graphite_can_represent_scev): Only
3158         allow integer constant strides.
3159         (graphite_can_represent_expr): Depend on outermost_loop.
3160         (stmt_simple_memref_p, graphite_cannot_represent_loop,
3161         harmful_stmt_in_bb, is_simple_operand, stmt_simple_for_scop_p,
3162         build_scops_1): Same.
3163         (scopdet_basic_block_info): Same and insert layered SCoP
3164         detection.
3165         (try_generate_gimple_bb): Cleanup.
3166         (build_scops): Enable data references.
3167
3168         * gcc.dg/graphite/id-5.c: New.
3169         * gcc.dg/graphite/id-9.c: New.
3170         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
3171         * tree-chrec.h (evolution_function_right_is_integer_cst): New.
3172
3173 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3174
3175         * sese.c (expand_scalar_variables_ssa_name): Only build expressions,
3176         that we have not yet built for this SCoP.
3177
3178 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3179
3180         * sese.c (expand_scalar_variables_expr): Fix expand_scalar_variables
3181         for complex numbers.
3182
3183 2009-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
3184
3185         * graphite-ppl.c: Fix build if cloog is not available.
3186
3187 2009-05-04  Li Feng  <nemokingdom@gmail.com>
3188
3189         * tree-parloops.c (loop_parallel_p): Remove construction of
3190         NITER and REDUCTION_LIST.
3191         (try_get_loop_niter): New.
3192         (try_create_reduction_list): New.
3193         (parallelize_loops): Bypass the failed checkings in autopar
3194         when can_be_parallel in loop structure is set to true.
3195
3196 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3197
3198         * gcc.dg/graphite/id-6.c: Update testcase.
3199         * gcc.dg/graphite/scop-3.c: Dito.
3200
3201 2009-05-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3202
3203         * graphite-scop-detection.c (stmt_simple_for_scop_p):
3204         Enable EQ_EXPR and NE_EXPR again.
3205
3206 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3207
3208         * graphite-scop-detection.c (graphite_can_represent_scev):
3209         Add check if scev is affine multivariate.
3210         (harmful_stmt_in_bb): Check if we can represent the conditions.
3211         (scopdet_basic_block_info (basic_block bb, VEC): Pass the loop to
3212         harmful_stmt_in_bb.
3213         * gcc.dg/graphite/id-7.c: New.
3214
3215 2009-04-30  Tobias Grosser  <grosser@fim.uni-passau.de>
3216
3217         * graphite-sese-to-poly.c (bb_contains_non_iv_scalar_phi_nodes):
3218         Check all bbs in region, not only the bbs that are represented in
3219         GRAPHITE.
3220         (build_poly_scop): Add newline.
3221         * gcc.dg/graphite/id-8.c: New.
3222
3223 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3224
3225         * cfgloop.c (alloc_loop): Initialize can_be_parallel to false
3226         when loop initialize.
3227         * cfgloop.h (struct loop): Introduce flag can_be_parallel.
3228         * common.opt: Declare flag_graphite_force_parallel.
3229         * graphite-clast-to-gimple.c (translate_clast): Mark the innermost
3230         loop parallel.
3231         * graphite-poly.c (apply_poly_transforms): Introduce
3232         flag_graphite_force_parallel.
3233         * tree-ssa-loop.c (gate_graphite_transforms): ditto.
3234         * toplev.c (process_options): ditto and replace a not correctly
3235         encoded space.
3236
3237 2009-04-30  Li Feng  <nemokingdom@gmail.com>
3238
3239         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts):
3240         Change the call of gbb_loop_at_index and/or gbb_loop_index due
3241         to the redefinition.
3242         (compute_cloog_iv_types_1): ditto.
3243         (build_iv_mapping): ditto.
3244         * graphite-sese-to-poly.c (new_gimple_bb): Remove GBB_LOOPS related
3245         initialization.
3246         (free_gimple_bb): Removed GBB_LOOPS related free part.
3247         (build_bb_loops): Removed.
3248         * sese.h (struct gimple_bb): Removed loops.
3249         (GBB_LOOPS): Removed.
3250         (gbb_loop_at_index): Instead of using GBB_LOOPS, we use sese instead.
3251         (gbb_loop_index): ditto.
3252
3253 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3254
3255         * graphite-scop-detection.c (graphite_can_represent_scev): Do not
3256         allow non constant strides.
3257         * gcc.dg/graphite/scop-20.c: New.
3258
3259 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3260
3261         * graphite-scop-detection.c (dot_all_scops): Fix system call
3262         return value warning.
3263         (dot_scop): Same.
3264
3265 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3266
3267         * gcc.dg/graphite/id-6.c: Fix pattern.
3268         * gcc.dg/graphite/scop-3.c: Same.
3269
3270 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite-poly.c (map_into_dep_poly, map_dr_into_dep_poly,
3273         build_pairwise_constraint, dr_equality_constraints,
3274         build_pairwise_scheduling_equality,
3275         build_pairwise_scheduling_inequality, lexicographically_gt_p,
3276         build_lexicographically_gt_constraint, dependence_polyhedron,
3277         graphite_legal_transform_dr, graphite_legal_transform_bb,
3278         graphite_legal_transform): New.
3279         * graphite-poly.h (graphite_legal_transform): Declared.
3280         * graphite-sese-to-poly.c (build_poly_scop): Call to
3281         graphite_legal_transform is disabled for the moment.
3282
3283 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3284
3285         * graphite-poly.h (pbb_nb_scattering_dims): New.
3286         (pbb_nb_scattering): Use it.
3287
3288 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3289
3290         * graphite-ppl.c (ppl_insert_dimensions_pointset): Add
3291         Pointset_Powerset version of ppl_insert_dimensions.
3292         * graphite-ppl.h (ppl_insert_dimensions_pointset): Declared.
3293
3294 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3295
3296         * graphite-ppl.c (ppl_insert_dimensions): Fix formatting.
3297
3298 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3299
3300         * graphite-poly.h: Fix comment.
3301
3302 2009-04-24  Sebastian Pop  <sebastian.pop@amd.com>
3303
3304         * graphite-sese-to-poly.c (build_poly_dr): Fix data ref multiplier.
3305
3306 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3307
3308         * sese.c (expand_scalar_variables_stmt): Only iterate over the old
3309         statements.
3310
3311 2009-04-24  Tobias Grosser  <grosser@fim.uni-passau.de>
3312
3313         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node): New.
3314         (graphite_stmt_p): Represent bbs necessary to build the phi nodes of
3315         conditions.
3316
3317 2009-04-20  Sebastian Pop  <sebastian.pop@amd.com>
3318
3319         * graphite-scop-detection.c (stmt_simple_for_scop_p): Do not
3320         handle EQ_EXPR and NE_EXPR.
3321
3322 2009-04-17  Tobias Grosser  <grosser@fim.uni-passau.de>
3323
3324         * graphite-poly.h (poly_dr): Fix comment.
3325
3326 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3327             Tobias Grosser  <grosser@fim.uni-passau.de>
3328
3329         * graphite-poly.c (new_poly_bb): Do not initialize PBB_DOMAIN
3330         with a zero dimension polyhedron.
3331         (find_scop_parameters): Move the call to scop_set_nb_params here.
3332         (build_loop_iteration_domains): Store in loop->aux the iteration
3333         domain polyhedron.
3334         (build_scop_iteration_domain): Fix PBB_DOMAIN for bbs not surrounded
3335         by any loop in scop.
3336         (build_poly_scop): Do not call scop_set_nb_params.
3337
3338 2009-04-09  Sebastian Pop  <sebastian.pop@amd.com>
3339             Tobias Grosser  <grosser@fim.uni-passau.de>
3340
3341         * graphite-sese-to-poly.c (add_condition_to_pbb): Pass code to
3342         add_condition_to_domain not GT_EXPR.
3343
3344 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3345
3346         * graphite-ppl.c (debug_ppl_powerset_matrix): New.
3347         * graphite-ppl.h (debug_ppl_powerset_matrix): New.
3348         * graphite-sese-to-poly.c (add_condition_to_pbb): Use
3349         upper_bound_assign to calculate unions.
3350         * gcc.dg/graphite/id-6.c: New.
3351
3352 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3353
3354         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Do not
3355         handle abnormal edges.
3356
3357 2009-04-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3358
3359         * graphite-poly.c (new_poly_dr, free_poly_dr): New.
3360         (free_poly_bb): Also free poly_drs.
3361         * graphite-poly.h (new_poly_dr, free_poly_dr): New.
3362         (poly_dr): Polyhedron to Pointset_Powerset.
3363         (pdr_accessp_nb_subscripts): Same.
3364         * graphite-sese-to-poly.c (build_poly_dr): Same. And actually build
3365         poly_drs.
3366
3367 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3368
3369         * graphite-clast-to-gimple.c (initialize_cloog_names): Change cloog
3370         names into more meaningful names.
3371
3372 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3373
3374         * gfortran.dg/graphite/interchange-1.c: New.
3375         * gfortran.dg/graphite/interchange-2.c: New.
3376
3377 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not build
3380         the reduction_list.
3381         * tree-parloops.c (rewrite_phi_with_iv): New.
3382         (rewrite_all_phi_nodes_with_iv): New.
3383         (canonicalize_loop_ivs): Call them.
3384
3385 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         * graphite-sese-to-poly.c (try_generate_gimple_bb): Use
3388         graphite_find_data_references_in_stmt.
3389         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
3390         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
3391
3392 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * sese.c (add_loop_exit_phis): Don't fail on non SSA_NAME renames.
3395
3396 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * graphite-sese-to-poly.c (build_scop_bbs_1): Use bb_in_sese_p
3399         instead of bb_in_region.
3400         (flag_bb_in_region): Same.  Renamed flag_bb_in_sese.
3401         (build_sese_conditions): Use flag_bb_in_sese.
3402         * sese.c (register_bb_in_sese): Removed.
3403         (new_sese): Remove initialization of SESE_REGION_BBS.
3404         (free_sese): Do not free SESE_REGION_BBS.
3405         * sese.h (struct sese): Remove field region_basic_blocks.
3406         (SESE_REGION_BBS): Removed.
3407         (bb_in_sese_p): Implement in function of bb_in_region.
3408
3409 2009-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-scop-detection.c (limit_scops): Deal only with single exit
3412         loops.
3413
3414 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3415
3416         * graphite-scop-detection.c (stmt_simple_for_scop_p): Allow NE_EXPR
3417         and EQ_EXPR.
3418         * graphite-sese-to-poly.c (create_linear_expr_from_tree): New.
3419         (add_condition_to_domain): New.
3420         (add_condition_to_pbb): New.
3421         (add_conditions_to_domain): Cleanup and handle of NE_EXPR and EQ_EXPR.
3422         * gcc.dg/graphite/scop-3.c: Update number of detected SCoPs.
3423
3424 2009-04-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3425
3426         * graphite-clast-to-gimple.c (build_cloog_prog): ppl_Polyhedron ->
3427         ppl_Pointset_Powerset.
3428         * graphite-poly.c (new_poly_bb, free_poly_bb): Same.
3429         * graphite-poly.h (poly_bb): poly_bb.domain Same.
3430         (pbb_nb_loops): Same.
3431         * graphite-sese-to-poly.c (build_loop_iteration_domains,
3432         add_conditions_to_domain): Same.
3433         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
3434         (ppl_print_polyhedron_matrix): ppl_Polyhedron_t ->
3435         ppl_const_Polyhedron_t.
3436         (ppl_print_powerset_matrix): New.
3437         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Pointset_Powerset,
3438         ppl_print_powerset_matrix): New.
3439         (ppl_print_polyhedron_matrix): Updated.
3440
3441 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3442
3443         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Fix comment.
3444
3445 2009-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3446
3447         * graphite-poly.c (extend_scattering): Fix indenting.  Free cstr.
3448         (print_iteration_domains, debug_iteration_domain,
3449         debug_iteration_domains): New.
3450         * graphite-poly.h (print_iteration_domains, debug_iteration_domain,
3451         debug_iteration_domains): Declared.
3452         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Fix
3453         indenting.
3454
3455 2009-04-03  Tobias Grosser  <grosser@fim.uni-passau.de>
3456             Sebastian Pop  <sebastian.pop@amd.com>
3457
3458         * graphite-poly.h (print_iteration_domain): New.
3459         * graphite-sese-to-poly.c (add_conditions_to_domain): Fixed bug.
3460         (build_sese_conditions_1, build_sese_conditions_after,
3461         build_sese_conditions_before): New.
3462         (build_sese_conditions): Rewritten.
3463
3464 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3465             Tobias Grosser  <grosser@fim.uni-passau.de>
3466
3467         Cleanup of code generation liveouts.
3468         * graphite-clast-to-gimple.c (translate_clast): Use a single
3469         rename_map instead of one per translated statement.
3470         Do not use SESE_LIVEOUT_RENAMES.
3471         (graphite_loop_normal_form): Do not use SESE_REDUCTION_LIST.
3472         (gloog): Do not use SESE_LIVEOUT_RENAMES.
3473         * graphite-scop-detection.c (harmful_stmt_in_bb): Return the close
3474         phi node of a reduction: when a loop contains a reduction used outside
3475         the loop, there should be a scalar close phi node on the exit block.
3476         * sese.c (new_sese): Do not initialize SESE_LIVEOUT,
3477         SESE_LIVEOUT_RENAMES, and SESE_REDUCTION_LIST.
3478         (free_sese): Do not free them.
3479         (sese_build_liveouts_use): Do not use them.
3480         (sese_build_liveouts_bb): Same.
3481         (sese_build_liveouts): Same.
3482         (sese_insert_phis_for_liveouts): Same.
3483         (sese_adjust_phis_for_liveouts): Same.  Renamed sese_adjust_liveout_phis.
3484         (defined_in_loop_p): New.
3485         (alive_after_loop): New.
3486         (close_phi_not_yet_inserted_p): New.
3487         (struct alep, alep_p): New.
3488         (add_loop_exit_phis): Remove from the rename_map all the names defined
3489         in the code generated loop.
3490         (insert_loop_close_phis): Traverse the rename_map passed to it.
3491         Don't use SESE_LIVEOUT_RENAMES.
3492         (default_liveout_before_guard): Renamed default_before_guard.
3493         (insert_guard_phis): Do not use SESE_LIVEOUT_RENAMES.
3494         (graphite_copy_stmts_from_block): Do not directly call set_rename.
3495         (register_sese_liveout_renames): Removed.
3496         (copy_bb_and_scalar_dependences): Do not call it.
3497         * sese.h (struct sese): Removed fields: liveout, liveout_renames, and
3498         reduction_list.
3499         (SESE_LIVEOUT): Removed.
3500         (SESE_LIVEOUT_RENAMES): Removed.
3501         (SESE_REDUCTION_LIST): Removed.
3502         (sese_build_liveouts): Removed.
3503         (sese_adjust_phis_for_liveouts): Renamed sese_adjust_liveout_phis.
3504         (insert_loop_close_phis): Pass a htab_t instead of a sese.
3505         (insert_guard_phis): Same.
3506         (rename_map_elt): Declare a VEC of them.
3507         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3508         trees not pointers to trees.
3509
3510         Rewrite in canonical close SSA form:
3511         * graphite-scop-detection.c (contains_only_close_phi_nodes): New.
3512         (limit_scops): Close the scop after the block containing the close phi
3513         nodes.
3514         (canonicalize_loop_closed_ssa): New.
3515         (canonicalize_loop_closed_ssa_form): New.
3516         (build_scops): Call canonicalize_loop_closed_ssa_form.
3517
3518         * graphite-sese-to-poly.c: Fix typos.
3519
3520 2009-04-03  Sebastian Pop  <sebastian.pop@amd.com>
3521
3522         * graphite-poly.c (print_scattering_function, print_pbb_domain):
3523         Extended.
3524         (dump_gbb_conditions, dump_gbb_cases, print_iteration_domain): New.
3525         (print_pbb): Add conditions.
3526
3527 2009-04-01  Tobias Grosser  <grosser@fim.uni-passau.de>
3528             Sebastian Pop  <sebastian.pop@amd.com>
3529
3530         * graphite-scop-detection.c (bb_in_sd_region): Use bb_in_region.
3531         * graphite-sese-to-poly.c (all_non_dominated_preds_marked_p): New.
3532         (build_scop_bbs_1): New.
3533         (build_scop_bbs): Rewrite.
3534         * sese.h (bb_in_region): New.
3535
3536 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3537
3538         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3539         poly_drs vector.
3540         (print_scop): Style.
3541         * graphite-poly.h (poly_bb): Add drs vector.
3542         (PBB_DRS): Add accessor.
3543         * graphite-sese-to-poly.c (build_poly_dr): New.
3544         (build_pbb_drs, build_scop_drs): New.
3545         (build_poly_scop): call build_scop_drs (Disabled at the moment).
3546
3547 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3548
3549         * tree-ssa-loop.c: Include forgotten toplev.h
3550
3551 2009-03-29  Tobias Grosser  <grosser@fim.uni-passau.de>
3552
3553         * graphite-poly.c: (apply_poly_transforms): sorry -> gcc_unreachable.
3554         * gcc.dg/graphite/pr37883.c: Remove -floop-*
3555         * gcc.dg/graphite/pr37928.c: Same
3556         * gcc.dg/graphite/pr38409.c: Same
3557         * gcc.dg/graphite/pr38498.c: Same
3558         * gcc.dg/graphite/pr38559.c: Same
3559         * gcc.dg/graphite/pr39335.c: Same
3560         * gcc.dg/graphite/pr39335_1.c: Same
3561         * gfortran.dg/graphite/block-2.f: Same
3562         * tree-ssa-loop.c (gate_graphite_transforms): Always fail if called
3563         with -floop-*.
3564
3565 2009-03-28  Tobias Grosser  <grosser@fim.uni-passau.de>
3566
3567         * graphite-sese-to-poly.c (ref_nb_loops, build_access_matrix_with_af,
3568         build_access_matrix, build_scop_data_accesses): Remove access function
3569         building. (We get a new version soon).
3570         (build_bb_loops, scan_tree_for_params_right_scev): Update.
3571         * sese.h (nb_loops_around_loop_in_sese): Remove.
3572         (sese_loop_depth): Do not use SESE_LOOP_NEST any more.
3573
3574 2009-03-27  Tobias Grosser  <grosser@fim.uni-passau.de>
3575             Sebastian Pop  <sebastian.pop@amd.com>
3576
3577         * graphite-scop-detection.c (struct scopdet_info): Rename last
3578         field to exit.
3579         (scopdet_basic_block_info, build_scops_1): Don't use
3580         CDI_POST_DOMINATORS.  CDI_POST_DOMINATORS should never be used.
3581
3582 2009-03-26  Tobias Grosser  <grosser@fim.uni-passau.de>
3583             Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * graphite-clast-to-gimple.c (gloog): Call sese_build_liveouts.
3586         * sese.c (sese_build_liveouts_use): Renamed from
3587         sese_build_livein_liveouts_use. Remove liveins.
3588         (sese_build_liveouts_bb): Renamed from sese_build_livein_liveouts_bb.
3589         Call sese_build_liveouts_use.
3590         (sese_build_liveouts): Renamed from sese_build_livein_liveouts.
3591         Call sese_build_liveouts_bb.
3592         (new_sese, free_sese): Remove liveins.
3593         (sese_add_exit_phis_var): Deleted.
3594         (sese_insert_phis_for_liveouts): Call sese_add_exit_phis_edge
3595         directly.
3596         (graphite_copy_stmts_from_block): Remove SESE_NUM_VER.
3597
3598         * sese.h (sese): Remove num_ver and livein.
3599         (SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): Removed.
3600
3601 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3602
3603         * graphite-sese-to-poly.c (build_scop_scattering): Fix compile.
3604
3605 2009-03-25  Tobias Grosser  <grosser@fim.uni-passau.de>
3606
3607         * graphite-sese-to-poly.c (compare_prefix_loops): Removed.
3608         (build_scop_scattering): Do not use compare_prefix_loops any more.
3609         (nb_common_loops): New.
3610
3611 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3612
3613         * sese.c (get_new_name_from_old_name): Renamed get_rename.
3614         (register_old_and_new_names): Renamed set_rename.
3615
3616 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3617
3618         * graphite-scop-detection.h (nb_reductions_in_loop): Revert removal
3619         of the decl from the previous commit.
3620
3621 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3622
3623         * graphite-scop-detection.c (dot_scop): New.
3624         * graphite-scop-detection.h (dot_scop): Declared.
3625
3626 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3627
3628         * graphite-sese-to-poly.c (compare_prefix_loops): Fix compare.
3629
3630 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3631
3632         * cfgloopmanip.c (create_empty_loop_on_edge): Generate the loop exit
3633         condition at the end of the loop.
3634         * graphite.c (graphite_initialize, graphite_finalize): Print to
3635         dump_file the compiled function.
3636         * graphite-clast-to-gimple.c (graphite_create_new_loop): Update use
3637         of create_empty_loop_on_edge.
3638         (translate_clast): Update the code generation of loops for the new
3639         shape of loops.
3640         * cfgloop.h (create_empty_loop_on_edge): Update declaration.
3641
3642 2009-03-24  Sebastian Pop  <sebastian.pop@amd.com>
3643
3644         Reverted the patch from 2009-03-19.
3645
3646 2009-03-19  Tobias Grosser  <grosser@fim.uni-passau.de>
3647
3648         * graphite-poly.c (new_poly_bb, free_poly_bb): Initialize/free
3649         poly_drs vector.
3650         (print_scop): Style.
3651         * graphite-poly.h (poly_bb): Add drs vector.
3652         (PBB_DRS): Add accessor.
3653         * graphite-sese-to-poly.c (ref_nb_loops): Remove.
3654         (build_access_matrix_with_af, build_access_matrix,
3655         build_scop_data_accesses): Delete.
3656         (build_poly_dr): New.
3657         (build_pbb_drs, build_scop_drs): New.
3658         (build_poly_scop): call build_scop_drs.
3659
3660 2009-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3661
3662         * graphite-scop-detection.c (dot_all_scops_1): Close the table
3663         once per basic block.
3664
3665 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3666
3667         * graphite-scop-detection.c (graphite_can_represent_scev): New.
3668         (graphite_can_represent_expr): Renamed from loop_affine_expr
3669         and enhanced.
3670         (stmt_simple_for_scop_p): Call graphite_can_represent_expr.
3671         (graphite_cannot_represent_loop): Add scop_entry to parameters.
3672         (scopdet_basic_block_info): Actually define entry_block.
3673         (stmt_simple_memref_p): Moved here from ...
3674
3675         * tree-data-ref.c (stmt_simple_memref_p): here.
3676         * tree-data-ref.h (stmt_simple_memref_p): Removed.
3677
3678 2009-03-13  Tobias Grosser  <grosser@fim.uni-passau.de>
3679
3680         * gcc.dg/graphite/id-4.c: New.
3681
3682 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3685         (register_old_and_new_names): Update the content of the map.
3686         When there was already a rename_map_elt in the map at that
3687         location, free it.
3688         (copy_bb_and_scalar_dependences): Do rename_variables after
3689         expand_scalar_variables.
3690         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3691         of the map.  When there was already a rename_map_elt in the
3692         map at that location, free it.
3693         (translate_clast): Pass the rename_map.  Do not initialize and free
3694         a rename_map per stmt_user.
3695         (gloog): Initialize and free one rename_map and pass it to
3696         translate_clast.
3697
3698 2009-03-12  Sebastian Pop  <sebastian.pop@amd.com>
3699
3700         * sese.c (expand_scalar_variables_stmt,
3701         expand_scalar_variables_ssa_name): Add a gimple_stmt_iterator
3702         parameter.
3703         (expand_scalar_variables_expr): Handle REALPART_EXPR and IMAGPART_EXPR.
3704         (expand_scalar_variables): Pass to expand_scalar_variables_stmt
3705         the gimple_stmt_iterator of the statement to be expanded.
3706         * graphite-scop-detection.c (is_simple_operand): Do handle
3707         REALPART_EXPR.
3708
3709 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3710
3711         * graphite-scop-detection.c (is_simple_operand): Do not handle
3712         REALPART_EXPR.
3713         * gcc.dg/graphite/id-2.c: New.
3714
3715         * graphite-sese-to-poly.c (build_bb_loops,
3716         add_value_to_dim, scan_tree_for_params_right_scev,
3717         scan_tree_for_params_int, scan_tree_for_params, idx_record_params,
3718         find_params_in_bb, build_loop_iteration_domains,
3719         add_conditions_to_domain): Remove subtract.
3720
3721 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3722
3723         * graphite-clast-to-gimple.c (loop_iv_stack_patch_for_consts,
3724         build_iv_mapping, compute_cloog_iv_types_1, build_cloog_prog):
3725         pbb_loop_at_index -> gbb_loop_at_index.
3726         * graphite-poly.c (new_poly_bb, new_scop): New accessors.
3727         (debug_loop_vec): Delete.
3728         * graphite-poly.h (poly_bb, scop): Change black_box and region to void
3729         pointer.  Move LOOPS to gimple_bb_p and insert nb_params.
3730         (PBB_LOOPS): Removed.
3731         (PBB_BLACK_BOX): Insert cast.
3732         (pbb_set_black_box): New setter.
3733         (pbb_loop_at_index, pbb_loop_index): Removed.
3734         (scop_set_region, scop_set_nb_params): New.
3735         * graphite-sese-to-poly.c (new_gimple_bb, free_gimple_bb,
3736         build_scop_scattering, build_bb_loops): Add GBB_LOOPS.
3737         (build_poly_scop): Use scop_set_nb_params.
3738         * sese.h (gimple_bb): Add LOOPS.
3739         (GBB_LOOPS, gbb_loop_index, gbb_loop_at_index): New.
3740
3741 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3742
3743         Revert previous commit.
3744
3745 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3746
3747         * sese.c (expand_scalar_variables_expr): Handle tcc_comparison.
3748         (register_old_and_new_names): Update the content of the map.
3749         When there was already a rename_map_elt in the map at that
3750         location, free it.
3751         (copy_bb_and_scalar_dependences): Do rename_variables after
3752         expand_scalar_variables.
3753         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3754         of the map.  When there was already a rename_map_elt in the
3755         map at that location, free it.
3756         (translate_clast): Pass the rename_map.  Do not initialize and free
3757         a rename_map per stmt_user.
3758         (gloog): Initialize and free one rename_map and pass it to
3759         translate_clast.
3760
3761 2009-03-11  Tobias Grosser  <grosser@fim.uni-passau.de>
3762
3763         Remove forgotten line in revert.
3764
3765 2009-03-11  Sebastian Pop  <sebastian.pop@amd.com>
3766
3767         Revert previous commit.
3768
3769 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3770
3771         * sese.c (register_old_and_new_names): Update the content
3772         of the map.  When there was already a rename_map_elt in the
3773         map at that location, free it.
3774         (copy_bb_and_scalar_dependences): Do rename_variables after
3775         expand_scalar_variables.
3776         * graphite-clast-to-gimple.c (build_iv_mapping): Update the content
3777         of the map.  When there was already a rename_map_elt in the
3778         map at that location, free it.
3779         (translate_clast): Pass the rename_map.  Do not initialize and free
3780         a rename_map per stmt_user.
3781         (gloog): Initialize and free one rename_map and pass it to
3782         translate_clast.
3783
3784 2009-03-10  Sebastian Pop  <sebastian.pop@amd.com>
3785
3786         * graphite-clast-to-gimple.c (translate_clast): context_loop
3787         is never NULL.
3788
3789 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3790             Sebastian Pop  <sebastian.pop@amd.com>
3791
3792         * graphite-ppl.c (ppl_insert_dimensions): Fix stupid mistake
3793         of the use of ppl_Polyhedron_map_space_dimensions.
3794
3795 2009-03-10  Tobias Grosser  <grosser@fim.uni-passau.de>
3796             Sebastian Pop  <sebastian.pop@amd.com>
3797
3798         * graphite-poly.c (unify_scattering_dimensions): Fix types.
3799         * graphite-poly.h (poly_dr_p, poly_dr, POLY_DR_TYPE, PDR_BB,
3800         PDR_TYPE, PDR_ACCESSES, pdr_accessp_nb_subscripts,
3801         pdr_accessp_nb_iterators, pdr_accessp_nb_params,
3802         pdr_accessp_alias_set_dim, pdr_accessp_subscript_dim,
3803         pdr_accessp_iterator_dim, pdr_accessp_param_dim,
3804         pbb_nb_params): New.
3805         (pbb_nb_loops, pbb_nb_scattering, scop_nb_params,
3806         nb_loops_around_pbb): Adapt return types.
3807
3808 2009-03-09  Tobias Grosser  <grosser@fim.uni-passau.de>
3809
3810         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3811         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3812         graphite-scop-detection.o, graphite-poly.o): Add
3813         more headers.
3814
3815 2009-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>
3816
3817         * Makefile.in (graphite.o, graphite-sese-to-poly.o,
3818         graphite-clast-to-gimple.o,  graphite-data-ref.o,
3819         graphite-scop-detection.o, graphite-poly.o): Add graphite-poly.h.
3820
3821 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3822
3823         * gcc.dg/graphite/pr37485.c: Remove -floop-block
3824         * gcc.dg/graphite/pr37828.c: Same.
3825         * gcc.dg/graphite/pr37684.c: Same.
3826         * gcc.dg/graphite/block-0.c: Same.
3827         * gcc.dg/graphite/block-1.c: Same.
3828         * gcc.dg/graphite/block-2.c: Same.
3829         * gcc.dg/graphite/block-3.c: Same.
3830         * gcc.dg/graphite/block-4.c: Same.
3831         * gcc.dg/graphite/block-5.c: Same.
3832         * gcc.dg/graphite/block-6.c: Same.
3833         * gfortran.dg/graphite/pr38083.f90: Same.
3834         * gfortran.dg/graphite/block-1.f90: Same.
3835         * gfortran.dg/graphite/block-3.f90: Same.
3836         * gfortran.dg/graphite/pr37852.f90: Same.
3837         * gfortran.dg/graphite/block-4.f90: Same.
3838         * gfortran.dg/graphite/pr37980.f90: Same.
3839         * gfortran.dg/graphite/pr38953.f90: Same.
3840         * gfortran.dg/graphite/pr37857.f90: Same.
3841         * opts.c: Remove -floop-block from -O2.
3842         * graphite-poly.c: Fail if -floop-block -floop-interchange or
3843         -floop-strip-mine are used.
3844
3845 2009-03-04  Tobias Grosser  <grosser@fim.uni-passau.de>
3846             Sebastian Pop  <sebastian.pop@amd.com>
3847
3848         * graphite-clast-to-gimple.c (build_cloog_prog): Unify scattering
3849         dimensions.
3850         * graphite-poly.c (pbb_compare, graphite_sort_pbbs,
3851         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine,
3852         strip_mine_profitable_p, is_interchange_valid,
3853         graphite_trans_bb_block, graphite_trans_loop_block,
3854         graphite_trans_scop_block): Temporary removed.
3855         (extend_scattering, unify_scattering_dimensions): New.
3856         (print_scattering_function, graphite_read_transforms):
3857         PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3858         (graphite_generate_scattering_fns): Removed.
3859         (apply_poly_transforms): Cleanup.
3860         (free_poly_bb): Add PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3861         (schedule_to_scattering): Moved.
3862         (PBB_STATIC_SCHEDULE, PBB_SCATTERING): Removed.
3863         (PBB_ORIGINAL_SCATTERING, PBB_TRANSFORMED_SCATTERING): New.
3864         (pbb_nb_scattering): New.
3865         (SCOP_ENTRY, SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
3866         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES):
3867         Removed.
3868         * graphite-ppl.c (ppl_insert_dimensions): Extended and renamed from
3869         shift_poly.
3870         (ppl_strip_loop): PBB_SCATTERING -> PBB_TRANSFORMED_SCATTERING.
3871         * graphite-scop-detection.c (dot_all_scops_1):  PBB_SCATTERING
3872         -> PBB_TRANSFORMED_SCATTERING.
3873         * graphite-sese-to-poly.c (build_scop_bbs): Remove region.
3874         (build_pbb_scattering_polyhedron): Moved from schedule_to_scattering.
3875         (build_scop_scattering): Renamed from build_scop_canonical_schedules.
3876         (check_poly_representation): Do not return bool.
3877         (graphite_transform_loops): Reformat.
3878         * sese.h (SESE_ENTRY_BB, SESE_EXIT_BB): New.
3879
3880 2009-03-04  Sebastian Pop  <sebastian.pop@amd.com>
3881
3882         * graphite-poly.c (print_pbb_domain, print_pbb, print_scop,
3883         debug_pbb_domain, debug_pbb, debug_scop): New.
3884         * graphite-poly.h (print_pbb_domain, print_pbb, print_scop,
3885         debug_pbb_domain, debug_pbb, debug_scop): Declared.
3886
3887 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3888
3889         PR middle-end/39335
3890         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3891         when the type precision of the induction variable should be
3892         larger than the type precision of nit.
3893         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3894         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Same.
3895         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3896
3897         * gcc.dg/graphite/pr39335_1.c: New.
3898         * gcc.dg/graphite/pr39335.c: New.
3899
3900 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3901
3902         * tree-parloops.c (canonicalize_loop_ivs): reduction_list contains
3903         SSA_NAMES not struct reduction_info.
3904
3905 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * sese.c (expand_scalar_variables_expr): Handle ADDR_EXPR.
3908
3909 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3910             Tobias Grosser  <grosser@fim.uni-passau.de>
3911
3912         * sese.c (new_sese): Initialize SESE_REDUCTION_LIST.
3913         (free_sese): Free SESE_REDUCTION_LIST.
3914         * sese.h (struct sese): Add field reduction_list.
3915         (SESE_REDUCTION_LIST): New.
3916         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Call
3917         canonicalize_loop_ivs on SESE_REDUCTION_LIST.
3918
3919 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3920             Tobias Grosser  <grosser@fim.uni-passau.de>
3921
3922         * tree-flow.h (gather_scalar_reductions): Use struct loop * instead
3923         of loop_p.
3924
3925 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3926             Tobias Grosser  <grosser@fim.uni-passau.de>
3927
3928         * tree-parloops.c (struct brli, build_reduction_list_info,
3929         analyze_reduction_list, gather_scalar_reductions): New.
3930         (loop_parallel_p): Build a reduction list containing only
3931         PHI_RESULT SSA_NAMEs: call gather_scalar_reductions.
3932         (gen_parallel_loop): Call the analysis analyze_reduction_list.
3933         (parallelize_loops): Now reduction_list is a htab_t of SSA_NAMEs.
3934         * tree-flow.h (gather_scalar_reductions): Declared.
3935
3936 2009-02-26  Sebastian Pop  <sebastian.pop@amd.com>
3937
3938         PR middle-end/39308
3939         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Do not call
3940         number_of_iterations_exit from a gcc_assert.
3941
3942 2009-02-25  Sebastian Pop  <sebastian.pop@amd.com>
3943             Jan Sjodin  <jan.sjodin@amd.com>
3944
3945         * output.h (graphite_out_file, graphite_in_file): Declared.
3946         * toplev.c (graphite_out_file, graphite_in_file): New.
3947         (init_asm_output): Initialize graphite_in_file and graphite_out_file.
3948         * graphite-clast-to-gimple.c (build_cloog_prog): Read PBB_SCATTERING.
3949         Don't call schedule_to_scattering.
3950         * common.opt (fgraphite-write, fgraphite-read): New.
3951         * graphite-poly.c: Include output.h.
3952         (print_scattering_function, print_scattering_functions,
3953         debug_scattering_function, debug_scattering_functions,
3954         graphite_write_transforms, graphite_read_transforms,
3955         graphite_generate_scattering_fns): New.
3956         (apply_poly_transforms): Do not apply transform if flag_graphite_read.
3957         Call graphite_generate_scattering_fns, graphite_write_transforms,
3958         graphite_read_transforms.
3959         (new_poly_bb): Initialize PBB_SCATTERING.
3960         (free_poly_bb): Free PBB_SCATTERING.
3961         (schedule_to_scattering): Does not return, initialize PBB_SCATTERING.
3962         * graphite-poly.h (struct poly_bb): Add field scattering.
3963         (PBB_SCATTERING): New.
3964         (print_scattering_function, print_scattering_functions,
3965         debug_scattering_function, debug_scattering_functions): Declared.
3966         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Matrices contain
3967         GMP values, not integers!
3968         (ppl_print_polyhedron_matrix, debug_ppl_polyhedron_matrix,
3969         ppl_read_polyhedron_matrix): New.
3970         * graphite-ppl.h (ppl_print_polyhedron_matrix,
3971         debug_ppl_polyhedron_matrix,
3972         ppl_read_polyhedron_matrix): Declared.
3973         * Makefile.in (graphite-poly.o): Depends on output.h.
3974
3975 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3976             Tobias Grosser  <grosser@fim.uni-passau.de>
3977
3978         Revert this change:
3979         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
3980         scalar evolutions in the scop_entry->loop_father.
3981
3982 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3983             Tobias Grosser  <grosser@fim.uni-passau.de>
3984
3985         * graphite.h (ref_nb_loops): Remove declaration.
3986         (struct gimple_bb, gimple_bb_p, GBB_BB, GBB_DATA_REFS, GBB_CONDITIONS,
3987         GBB_CONDITION_CASES, GBB_CLOOG_IV_TYPES, gbb_loop, print_gimple_bb,
3988         debug_gbb): Moved to sese.h.
3989         * sese.h: As said.
3990
3991 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3992             Tobias Grosser  <grosser@fim.uni-passau.de>
3993
3994         * graphite-data-ref.[ch]: Disable.
3995
3996 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3997             Tobias Grosser  <grosser@fim.uni-passau.de>
3998
3999         * graphite-scop-detection.c (stmt_simple_for_scop_p): Analyze
4000         scalar evolutions in the scop_entry->loop_father.
4001
4002 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4003
4004         * graphite-scop-detection.c (nb_reductions_in_loop): Moved here...
4005         (graphite_cannot_represent_loop_niter): Renamed
4006         graphite_cannot_represent_loop.  Call nb_reductions_in_loop.
4007         (limit_scops): build_sese_loop_nests does not return a bool.
4008         * graphite-scop-detection.h (nb_reductions_in_loop): Declared.
4009         * sese.c (nb_reductions_in_loop): ... from here.
4010         (graphite_loop_normal_form): ... from here.
4011         (sese_record_loop): Does not fail, so does not return a bool.
4012         (build_sese_loop_nests): Same.
4013         * sese.h (build_sese_loop_nests): Update declaration.
4014         * graphite-clast-to-gimple.c (graphite_loop_normal_form): Moved here...
4015         (build_graphite_loop_normal_form): New.
4016         (gloog): Call build_graphite_loop_normal_form.
4017         * graphite-sese-to-poly.c (build_poly_scop): Don't fail on
4018         build_sese_loop_nests.
4019
4020         * gcc.dg/graphite/id-1.c: New.
4021
4022 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4023             Tobias Grosser  <grosser@fim.uni-passau.de>
4024
4025         * graphite-sese-to-poly.c (scan_tree_for_params): Remove REAL_CST.
4026         The SCoP detection fix is sufficient.
4027
4028 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4029
4030         PR tree-optimization/39260
4031         * graphite-scop-detection.c (harmful_stmt_in_bb): Stop a SCoP when
4032         the basic block contains a condition with a real type.
4033         * graphite-sese-to-poly.c (scan_tree_for_params): Handle REAL_CST.
4034
4035         * gcc.dg/graphite/pr39260.c: New.
4036
4037 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4038
4039         * graphite-poly.c: Inlcude params.h.
4040         (graphite_trans_loop_block): Use PARAM_LOOP_BLOCK_TILE_SIZE for
4041         the size of a tile.
4042         * Makefile.in (graphite-poly.o): Depend on PARAMS_H.
4043         * params.def (PARAM_LOOP_BLOCK_TILE_SIZE): Define.
4044
4045 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4046             Tobias Grosser  <grosser@fim.uni-passau.de>
4047
4048         * graphite-scop-detection.c (dot_all_scops_1,
4049         dot_all_scops): Moved here.
4050         * graphite-scop-detection.h (dot_all_scops): Declared here.
4051         * graphite.c (graphite_initialize, graphite_finalize): New.
4052         (graphite_transform_loops): Cleaned up.
4053         * sese.c (debug_oldivs): Moved here.
4054         * graphite-poly.c (graphite_apply_transformations): Renamed
4055         apply_poly_transforms.
4056         (debug_loop_vec): Moved here.
4057         * graphite-sese-to-poly.c (build_bb_loops, build_sese_conditions_1,
4058         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions,
4059         find_scop_parameters, build_scop_iteration_domain,
4060         add_conditions_to_constraints, build_scop_canonical_schedules,
4061         build_scop_data_accesses): Now static.
4062         (build_poly_scop, check_poly_representation): New.
4063
4064 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4065
4066         * graphite.c (graphite_stmt_p, new_gimple_bb, free_gimple_bb,
4067         remove_gbbs_in_scop, free_scops, try_generate_gimple_bb,
4068         build_scop_bbs, ref_nb_loops, compare_prefix_loops,
4069         build_scop_canonical_schedules, build_bb_loops, add_value_to_dim,
4070         scan_tree_for_params_right_scev, scan_tree_for_params_int,
4071         scan_tree_for_params, struct irp_data, dx_record_params,
4072         find_params_in_bb, find_scop_parameters, gbb_from_bb,
4073         build_loop_iteration_domains, add_conditions_to_domain,
4074         phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes,
4075         scop_contains_non_iv_scalar_phi_nodes, build_sese_conditions_1,
4076         build_sese_conditions, add_conditions_to_constraints,
4077         build_scop_iteration_domain, build_access_matrix_with_af,
4078         build_access_matrix,
4079         build_scop_data_accesses): Moved to graphite-sese-to-poly.c.
4080
4081         * graphite-sese-to-poly.c: New.
4082         * graphite-sese-to-poly.h: New.
4083
4084         * Makefile.in: Add new rule for graphite-sese-to-poly.o.
4085
4086 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4087
4088         * graphite.c: Split graphite code generation to a new file.
4089         (graphite_verify, gmp_cst_to_tree, clast_name_to_gcc,
4090         max_precision_type, clast_to_gcc_expression_red,
4091         clast_to_gcc_expression, gcc_type_for_clast_expr,
4092         gcc_type_for_clast_eq, loop_iv_stack_patch_for_consts,
4093         graphite_translate_clast_equation, graphite_create_guard_cond_expr,
4094         graphite_create_new_guard, clast_get_body_of_loop,
4095         gcc_type_for_cloog_iv, gcc_type_for_iv_of_clast_loop,
4096         graphite_create_new_loop, build_iv_mapping, copy_renames,
4097         translate_clast, find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4098         compute_cloog_iv_types, free_scattering, save_var_name,
4099         initialize_cloog_names, build_scop_context, build_cloog_prog,
4100         set_cloog_options, debug_clast_stmt, scop_to_clast,
4101         print_generated_program, debug_generated_program,
4102         gloog): Moved to graphite-clast-to-gimple.c.
4103
4104         (struct cloog_prog_clast): Moved to graphite-clast-to-gimple.h.
4105
4106         (iv_stack_entry_is_constant, iv_stack_entry_is_iv,
4107         loop_iv_stack_push_iv, loop_iv_stack_insert_constant,
4108         loop_iv_stack_pop, loop_iv_stack_get_iv,
4109         loop_iv_stack_get_iv_from_name, debug_loop_iv_stack,
4110         free_loop_iv_stack, loop_iv_stack_remove_constants,
4111         debug_rename_elt, debug_rename_map_1, debug_rename_map,
4112         rename_map_elt_info, eq_rename_map_elts, debug_ivtype_elt,
4113         debug_ivtype_map_1, debug_ivtype_map, ivtype_map_elt_info,
4114         eq_ivtype_map_elts, sese_add_exit_phis_edge,
4115         sese_add_exit_phis_var, sese_insert_phis_for_liveouts,
4116         get_vdef_before_sese, sese_adjust_vphi,
4117         get_new_name_from_old_name, sese_adjust_phis_for_liveouts,
4118         oldiv_for_loop, rename_variables_in_stmt, is_parameter,
4119         is_iv, expand_scalar_variables_ssa_name,
4120         expand_scalar_variables_expr, expand_scalar_variables_stmt,
4121         expand_scalar_variables, rename_variables, remove_condition,
4122         get_true_edge_from_guard_bb, get_false_edge_from_guard_bb,
4123         add_loop_exit_phis, insert_loop_close_phis, struct igp,
4124         default_liveout_before_guard, add_guard_exit_phis,
4125         insert_guard_phis, register_old_and_new_names,
4126         graphite_copy_stmts_from_block, register_sese_liveout_renames,
4127         copy_bb_and_scalar_dependences, outermost_loop_in_sese,
4128         if_region_set_false_region, create_if_region_on_edge,
4129         move_sese_in_condition): Moved to sese.c.
4130
4131         (nb_loops_around_loop_in_sese, struct ifsese, if_region_entry,
4132         if_region_exit, if_region_get_condition_block,
4133         struct rename_map_elt, new_rename_map_elt, enum iv_stack_entry_kind,
4134         union iv_stack_entry_data_union, struct iv_stack_entry_struct,
4135         iv_stack_entry_p, loop_iv_stack, struct ivtype_map_elt,
4136         ivtype_map_elt, new_ivtype_map_elt,
4137         recompute_all_dominators): Moved to sese.h.
4138
4139         * graphite-clast-to-gimple.c: New.
4140         * graphite-clast-to-gimple.h: New.
4141         * Makefile.in: Add new rule for graphite-clast-to-gimple.o.
4142         * sese.c: Modified as said above.
4143         * sese.h: Same.
4144
4145 2009-02-20  Sebastian Pop  <sebastian.pop@amd.com>
4146
4147         * graphite.c: Split scop detection to a new file.
4148         (enum gbb_type, gbb_type, get_bb_type, struct sd_region_p, sd_region,
4149         move_sd_regions, loop_affine_expr, exclude_component_ref,
4150         is_simple_operand, stmt_simple_for_scop_p, harmful_stmt_in_bb,
4151         graphite_cannot_represent_loop_niter, struct scopdet_info,
4152         scopdet_basic_block_info, build_scops_1, bb_in_sd_region,
4153         find_single_entry_edge, find_single_exit_edge,
4154         create_single_entry_edge, sd_region_without_exit,
4155         create_single_exit_edge, unmark_exit_edges, mark_exit_edges,
4156         create_sese_edges, build_graphite_scops, limit_scops, build_scops):
4157         Moved to graphite-scop-detection.c.
4158
4159         * graphite-scop-detection.c: New.
4160         * graphite-scop-detection.h: New.
4161         * Makefile.in: Add new rule for graphite-scop-detection.o.
4162
4163         * sese.c: Include tree-chrec.h, tree-data-ref.h, and
4164         tree-scalar-evolution.h.
4165         (nb_reductions_in_loop, graphite_loop_normal_form, sese_record_loop,
4166         build_sese_loop_nests): Moved here from graphite.c.
4167         (param_index): Renamed parameter_index_in_region.
4168
4169 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4170             Sebastian Pop  <sebastian.pop@amd.com>
4171
4172         * gcc.dg/graphite/block-0.c: Expected to fail now.
4173         * gcc.dg/graphite/block-1.c: Same.
4174         * gcc.dg/graphite/block-5.c: Same.
4175         * gcc.dg/graphite/block-6.c: Same.
4176
4177 2009-02-18  Tobias Grosser  <grosser@fim.uni-passau.de>
4178             Sebastian Pop  <sebastian.pop@amd.com>
4179
4180         * graphite.h: Separate from graphite_bb_p the polyhedral
4181         representation in poly_bb_p and the GCC specifics in gimple_bb_p.
4182         (struct data_dependence_polyhedron, RDGE_DDP, ddp_p): Moved to
4183         graphite-data-ref.h.
4184         (struct poly_bb, PBB_SCOP, PBB_STATIC_SCHEDULE, PBB_DOMAIN,
4185         PBB_BLACK_BOX, PBB_LOOPS, pbb_nb_loops, pbb_loop_at_index,
4186         pbb_loop_index, struct scop, SCOP_BBS, SCOP_REGION, SCOP_ENTRY,
4187         SCOP_EXIT, SCOP_REGION_BBS, SCOP_DEP_GRAPH, SCOP_PARAMS,
4188         SCOP_LOOP_NEST, SCOP_PARAMS, SCOP_OLDIVS, SCOP_LIVEOUT_RENAMES,
4189         scop_nb_params): Moved to graphite-poly.h.
4190         * graphite-data-ref.c: Same.
4191         * graphite-data-ref.h: New.
4192         * graphite.c: Same.
4193         (pbb_compare, graphite_sort_pbbs, graphite_trans_bb_move_loop,
4194         graphite_trans_bb_strip_mine, strip_mine_profitable_p,
4195         is_interchange_valid, graphite_trans_bb_block,
4196         graphite_trans_loop_block, scop_max_loop_depth,
4197         graphite_trans_scop_block, graphite_apply_transformations,
4198         new_poly_bb, free_poly_bb, new_scop, free_scop): Moved to
4199         graphite-poly.c.
4200         * graphite-poly.h: New.
4201         * graphite-poly.c: New.
4202         * Makefile.in (OBJS-common): Add graphite-poly.o.
4203         (graphite-poly.o): New rule.
4204         * tree-data-ref.h (struct data_reference): Remove unused scop field.
4205         (DR_SCOP): Removed.
4206
4207 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4208             Tobias Grosser  <grosser@fim.uni-passau.de>
4209
4210         * graphite.c: Replace gb -> gbb.
4211         * graphite.h: Same.
4212         * graphite-data-ref.c: Same.
4213
4214 2009-02-18  Sebastian Pop  <sebastian.pop@amd.com>
4215             Tobias Grosser  <grosser@fim.uni-passau.de>
4216
4217         * Makefile.in (OBJS-commmon): Add sese.o.
4218         (sese.o): New.
4219         (graphite.o): Add sese.h.
4220         * graphite.c (bb_in_ss_p, loop_in_sese_p,
4221         sese_build_livein_liveouts_use, sese_build_livein_liveouts_bb,
4222         sese_build_livein_liveouts, register_bb_in_sese, new_sese, free_sese):
4223         Move to sese.
4224         (block_before_scop): Add missing return.
4225         (new_scop, free_scop): Remove SESE data structures.
4226         (scop_record_loop, scan_tree_for_params, find_params_in_bb,
4227         find_scop_parameters, build_loop_iteration_domains,
4228         add_conditions_to_domain, register_scop_liveout_renames,
4229         copy_bb_and_scalar_dependences): Scop -> SESE.
4230
4231         (add_conditions_to_domain): SCoP -> SESE and remove check
4232         (scop_contains_non_iv_scalar_phi_nodes): New.
4233         (build_scop_conditions_1, build_scop_conditions): Remove check for
4234         non iv scalar phi nodes.
4235         (print_scop_statistics): New.
4236         (graphite_transform_loops): Cleanup.
4237
4238         * graphite.h: Move to sese & cleanup.
4239         * sese.c: New.
4240         * sese.h: New.
4241
4242 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4243             Tobias Grosser  <grosser@fim.uni-passau.de>
4244
4245         * graphite.c (build_scop_conditions_1): Conditions are only
4246         at the end of a basic block.
4247
4248 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4249             Tobias Grosser  <grosser@fim.uni-passau>
4250
4251         * graphite.h (struct graphite_bb): Remove compressed_alpha_matrix
4252         field.
4253         (GBB_ALPHA): Removed.
4254
4255 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4256             Tobias Grosser  <grosser@fim.uni-passau.de>
4257
4258         * graphite-data-ref.c (graphite_test_dependence): Don't use
4259         GBB_DYNAMIC_SCHEDULE.
4260         * graphite.c (new_graphite_bb): Same.
4261         (free_graphite_bb): Same.
4262         (build_scop_dynamic_schedules): Removed.
4263         (graphite_transform_loops): Don't call it.
4264         * graphite.h (struct graphite_bb): Remove dynamic_schedule field.
4265         (GBB_DYNAMIC_SCHEDULE): Removed.
4266
4267 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4268             Tobias Grosser  <grosser@fim.uni-passau.de>
4269
4270         * graphite.c (schedule_to_scattering): Don't use CloogMatrix.
4271         (print_graphite_bb): Same.
4272         (build_cloog_prog): Same.
4273
4274 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4275             Tobias Grosser  <grosser@fim.uni-passau.de>
4276
4277         * graphite.c (build_cloog_prog): Don't use CloogMatrix.
4278
4279 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4280             Tobias Grosser  <grosser@fim.uni-passau.de>
4281
4282         * graphite.c (build_scop_context): Don't use CloogMatrix.
4283         * graphite-ppl.c (new_Cloog_Domain_from_ppl_Polyhedron): New.
4284         * graphite-ppl.h (new_Cloog_Domain_from_ppl_Polyhedron): Declared.
4285
4286 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4287             Tobias Grosser  <grosser@fim.uni-passau.de>
4288
4289         * graphite.h (struct scop): Move params, old_ivs, loops, loop_nest,
4290         liveout_renames, add_params fields...
4291         (struct sese): ... here.
4292         (SESE_PARAMS, SESE_LOOPS, SESE_LOOP_NEST, SESE_ADD_PARAMS,
4293         SESE_PARAMS, SESE_OLDIVS, SESE_LIVEOUT_RENAMES): New.
4294
4295 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4296             Tobias Grosser  <grosser@fim.uni-passau.de>
4297
4298         * graphite.c (print_scop): Do not print the CLooG program.
4299         (new_scop, free_scop, initialize_cloog_names, build_scop_context,
4300         build_cloog_prog, gloog): Don't use SCOP_PROG.
4301         (find_transform): Renamed scop_to_clast.
4302         (print_generated_program, debug_generated_program): New.
4303         (graphite_transform_loops): Adapt to new interface.
4304         * graphite.h (struct scop): Remove program field.
4305         (SCOP_PROG): Removed.
4306         (print_generated_program, debug_generated_program): Declared.
4307
4308 2009-02-16  Sebastian Pop  <sebastian.pop@amd.com>
4309
4310         * graphite-data-ref.c (schedule_precedes_p, schedule_same_p): New.
4311         (statement_precedes_p): Use schedule_same_p and schedule_precedes_p.
4312         * graphite.c (gbb_compare, schedule_to_scattering, print_graphite_bb,
4313         free_graphite_bb, build_scop_canonical_schedules,
4314         graphite_trans_bb_strip_mine, graphite_trans_scop_block): Static
4315         schedules are now represented using a ppl_Linear_Expression_t.
4316         * graphite.h (struct graphite_bb): Same.
4317         * graphite-ppl.c (ppl_lexico_compare_linear_expressions): New.
4318         * graphite-ppl.h (ppl_lexico_compare_linear_expressions): Declared.
4319
4320 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4321
4322         * graphite.c: Free local memory.
4323         * graphite-ppl.c: Same.
4324
4325 2009-02-15  Sebastian Pop  <sebastian.pop@amd.com>
4326
4327         * graphite.c (const_column_index, get_first_matching_sign_row_index,
4328         get_lower_bound_row, get_upper_bound_row, copy_constraint,
4329         swap_constraint_variables, scale_constraint_variable): Removed.
4330         (graphite_trans_bb_strip_mine): Remove pong.
4331         * graphite-ppl.c: Include missing header files.
4332         (set_inhomogeneous, set_coef, shift_poly, ppl_strip_loop): New.
4333         * graphite-ppl.h (ppl_strip_loop): Declared.
4334         * Makefile.in (graphite-ppl.o): Adjust dependences.
4335
4336 2009-02-14  Sebastian Pop  <sebastian.pop@amd.com>
4337
4338         * graphite.c (build_loop_iteration_domains): Remove ping pong.
4339         (build_scop_iteration_domain): Same.
4340
4341 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4342
4343         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4344         ping pong.
4345         (add_value_to_dim, scan_tree_for_params_right_scev,
4346         scan_tree_for_params_int): New.
4347         * graphite-ppl.c (oppose_constraint): New.
4348         (insert_constraint_into_matrix): Implement missing cases.
4349         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4350
4351 2009-02-13  Sebastian Pop  <sebastian.pop@amd.com>
4352
4353         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4354         use ppl_move_dimension.
4355
4356 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4357
4358         * graphite-data-ref.c: Domains are now ppl_Polyhedra_t.
4359         * graphite.c: Same.
4360         * graphite.h: Same.
4361         * graphite-ppl.c: Same.
4362         * graphite-ppl.h: Same.
4363
4364 2009-02-12  Sebastian Pop  <sebastian.pop@amd.com>
4365
4366         Revert last 3 commits.
4367
4368 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4369
4370         * graphite.c (scan_tree_for_params, add_conditions_to_domain): Remove
4371         ping pong.
4372         (add_value_to_dim, scan_tree_for_params_right_scev,
4373         scan_tree_for_params_int): New.
4374         * graphite-ppl.c (oppose_constraint): New.
4375         (insert_constraint_into_matrix): Implement missing cases.
4376         * graphite-ppl.h (insert_constraint_into_matrix): Declared.
4377
4378 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4379
4380         * graphite.c (graphite_trans_bb_move_loop): Remove unused variables.
4381
4382 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4383             Tobias Grosser  <grosser@fim.uni-passau.de>
4384
4385         * graphite.c (graphite_trans_bb_move_loop): Remove ping pong,
4386         use ppl_move_dimension.
4387         * graphite-ppl.c (ppl_move_dimension): New.
4388         * graphite-ppl.h (ppl_move_dimension): Declared.
4389
4390 2009-02-10  Sebastian Pop  <sebastian.pop@amd.com>
4391
4392         * graphite.c: Do not include cloog/cloog.h.
4393         (print_graphite_bb): Remove ping pong, call PPL print function.
4394
4395 2009-02-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4396
4397         * Makefile.in (OBJS-common): Add graphite-ppl.o.
4398         (graphite.o): Add dependence on graphite-ppl.h.
4399         (graphite-ppl.o): New.
4400         (graphite-data-ref.c): Ping pong between PPL data structures
4401         and matrices.
4402         * graphite-ppl.c: New.
4403         * graphite-ppl.h: New.
4404         * graphite.c: Include graphite-ppl.h.
4405         (print_graphite_bb, add_conditions_to_domain, build_cloog_prog,
4406         graphite_trans_bb_move_loop, graphite_trans_bb_strip_mine):
4407         Ping pong between PPL data structures and matrices.
4408         (new_graphite_bb): Create a PPL constraint system.
4409         Call ppl_delete_Constraint_System instead of cloog_matrix_free.
4410         (build_loop_iteration_domains): Use PPL functions.
4411         * graphite.h: Include graphite-ppl.h.  Fix comments.
4412         (graphite_bb): Use a ppl_Constraint_System_t instead of
4413         CloogMatrix for representing the domain.
4414         (scop): Remove static_schedule.
4415         (gbb_nb_loops): Ping pong between PPL data structures and matrices.
4416
4417 2009-02-06  Sebastian Pop  <sebastian.pop@amd.com>
4418
4419         * graphite.c: Fix some comments.
4420
4421 2009-02-05  Sebastian Pop  <sebastian.pop@amd.com>
4422
4423         PR middle-end/38953
4424         * graphite.c (if_region_set_false_region): After moving a region
4425         in the false branch of a condition, remove the empty dummy
4426         basic block.
4427         (gloog): Remove wrong fix for PR38953.
4428
4429 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4430
4431         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4432         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4433         register_bb_in_sese, new_sese, free_sese): Moved.
4434         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4435         outermost_loop_in_scop, build_scop_iteration_domain,
4436         expand_scalar_variables_ssa_name, get_vdef_before_scop,
4437         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4438         Use loop_in_sese_p instead of loop_in_scop_p.
4439         (new_graphite_bb, new_scop, gloog): Do not initialize SCOP_BBS_B.
4440         (free_scop): Do not free SCOP_BBS_B.
4441         (nb_loops_around_loop_in_scop, nb_loops_around_gb,
4442         ref_nb_loops): Moved here...
4443         * graphite.h (ref_nb_loops): ... from here.
4444         (struct scop): Remove bbs_b bitmap.
4445         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4446         * gcc.dg/graphite/scop-19.c: New
4447
4448 2009-02-03  Tobias Grosser  <grosser@fim.uni-passau.de>
4449
4450         * graphite.c (scopdet_basic_block_info): Fix bug in scop
4451         detection.
4452
4453 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4454
4455         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4456         eq_loop_to_cloog_loop): Remove.
4457         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP.
4458         * graphite.h (struct scop): Remove loop2cloog_loop.
4459         (loop_domain_dim, loop_iteration_vector_dim): Remove.
4460
4461 2009-01-30  Tobias Grosser  <grosser@fim.uni-passau.de>
4462
4463         * opts.c (decode_options): Only add graphite options to O2
4464         if we compile with graphite enabled.
4465
4466 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4467
4468         * Merge from mainline (r143163:143684).
4469
4470 2009-01-26  Sebastian Pop  <sebastian.pop@amd.com>
4471
4472         * graphite.c (debug_value): Removed.
4473         * graphite.h (debug_value): Removed.
4474
4475 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4476
4477         * passes.c (init_optimization_passes): Do not call pass_copy_prop
4478         after graphite: pass_copy_prop does not maintain a proper loop closed
4479         SSA form.  pass_copy_prop should be fixed.
4480
4481 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4482
4483         * graphite.c (scop_adjust_phis_for_liveouts): Fix warning.
4484
4485 2009-01-23  Sebastian Pop  <sebastian.pop@amd.com>
4486
4487         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4488         (gloog): Split the exit of the scop when the scop exit is a loop exit.
4489         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4490         changed the CFG.
4491
4492 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
4493
4494         * graphite.c (gloog): Return true when code gen succeeded.
4495         (graphite_transform_loops): Do not call cleanup_tree_cfg if
4496         the code of the function did not changed.  After cleanup_tree_cfg
4497         call rewrite_into_loop_closed_ssa to maintain the loop closed ssa
4498         form.
4499
4500 2009-01-19  Sebastian Pop  <sebastian.pop@amd.com>
4501
4502         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4503         gimple_call_lhs is NULL.
4504
4505 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4506             Tobias Grosser  <tobi.grosser@amd.com>
4507
4508         * graphite.c (graphite_trans_scop_block): Do not block single
4509         nested loops.
4510
4511 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4512             Tobias Grosser  <tobi.grosser@amd.com>
4513
4514         * graphite.c (build_scop_canonical_schedules): Start schedules at
4515         zero.
4516
4517 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4518             Tobias Grosser  <tobi.grosser@amd.com>
4519
4520         * graphite.c (compare_prefix_loops): New.
4521         (build_scop_canonical_schedules): Rewritten.
4522         (graphite_transform_loops): Move build_scop_canonical_schedules
4523         after build_scop_iteration_domain.
4524
4525 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4526             Tobias Grosser  <tobi.grosser@amd.com>
4527
4528         * graphite.c (add_conditions_to_domain): Add the loops to
4529         the dimension of the iteration domain.  Do copy the domain
4530         only when it exists.
4531         (build_scop_conditions_1): Do not call add_conditions_to_domain.
4532         (add_conditions_to_constraints): New.
4533         (can_generate_code_stmt, can_generate_code): Removed.
4534         (gloog): Do not call can_generate_code.
4535         (graphite_transform_loops): Call add_conditions_to_constraints
4536         after building the iteration domain.
4537
4538 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4539             Tobias Grosser  <tobi.grosser@amd.com>
4540             Jan Sjodin  <jan.sjodin@amd.com>
4541
4542         * graphite.c (scan_tree_for_params): On substractions negate
4543         all the coefficients of the term.
4544         (clast_to_gcc_expression_red): New.  Handle reduction expressions
4545         of more than two operands.
4546         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4547         (get_vdef_before_scop): Handle also the case of default definitions.
4548
4549 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
4550
4551         PR middle-end/38431
4552         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
4553         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
4554         (gloog): Do not call cleanup_tree_cfg.
4555         (graphite_transform_loops): Call cleanup_tree_cfg after all
4556         scops have been code generated.
4557
4558 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4559
4560         * passes.c (init_optimization_passes): Schedule after
4561         graphite transforms pass_copy_prop, pass_dce_loop and pass_lim.
4562
4563 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
4564
4565         * graphite.c (expand_scalar_variables_stmt): Do not pass loop_p.
4566         Fix comment.
4567         (expand_scalar_variables_ssa_name): Do not pass loop_p.  Fix comment.
4568         Set the type of an expression to the type of its assign statement.
4569         (expand_scalar_variables_expr):  Do not pass loop_p.
4570         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
4571         (copy_bb_and_scalar_dependences): Do not pass loop_p.
4572         (translate_clast): Update call to copy_bb_and_scalar_dependences.
4573
4574 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4575
4576         * graphite.c (expand_scalar_variables_ssa_name): Set the type of
4577         an expression to the gimple_expr_type of its assign statement.
4578         (expand_scalar_variables_expr): Stop recursion on tcc_constant
4579         or tcc_declaration.
4580
4581 2009-01-11  Sebastian Pop  <sebastian.pop@amd.com>
4582
4583         PR tree-optimization/38786
4584         * gcc.dg/graphite/pr38786.c: New.
4585         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
4586         the SSA_NAME case of expand_scalar_variables_expr.
4587         (expand_scalar_variables_expr): Also gather the scalar computation
4588         used to index the memory access.
4589         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
4590         the gimple_stmt_iterator where it inserts new code.
4591
4592 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4593
4594         * gcc.dg/graphite/block-3.c: Fix compile error on 32bit.
4595
4596 2009-01-10  Sebastian Pop  <sebastian.pop@amd.com>
4597
4598         * opts.c (decode_options): Enable flag_graphite_identity and
4599         flag_loop_block in -O2 and above.
4600
4601 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         * libjava/classpath/lib/gnu/java/awt/peer/gtk/GtkMouseInfoPeer.class:
4604         Fix merge problem: replace with the file from trunk.
4605
4606 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
4607
4608         * Merge from mainline (r141727:143163).
4609
4610 2009-01-07  Sebastian Pop  <sebastian.pop@amd.com>
4611             Jan Sjodin  <jan.sjodin@amd.com>
4612
4613         PR tree-optimization/38559
4614         * gcc.dg/graphite/pr38559.c: New.
4615
4616         * graphite.c (debug_value, copy_constraint,
4617         swap_constraint_variables, scale_constraint_variable, ): New.
4618         (get_lower_bound, get_upper_bound): Removed.
4619         (graphite_trans_bb_strip_mine): Clean up this code that works
4620         only for constant number of iterations.  Fully copy upper and
4621         lower bound constraints, not only the constant part of them.
4622         * graphite.h (debug_value): Declared.
4623
4624 2009-01-06  Jan Sjodin  <jan.sjodin@amd.com>
4625
4626         PR tree-optimization/38492
4627         PR tree-optimization/38498
4628         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
4629         * tree-chrec.h (scev_is_linear_expression): Declared.
4630         * graphite.c (graphite_cannot_represent_loop_niter): New.
4631         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
4632         (graphite_loop_normal_form): Use gcc_assert.
4633         (scan_tree_for_params): Use CASE_CONVERT.
4634         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
4635         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
4636         Use gcc_assert.  Discard scops that contain unhandled cases.
4637         (build_scop_conditions): Return a boolean status for unhandled cases.
4638         (strip_mine_profitable_p): Print the loop number, not its depth.
4639         (is_interchange_valid): Pass the depth of the loop nest, don't
4640         recompute it wrongly.
4641         (graphite_trans_bb_block): Same.
4642         (graphite_trans_bb_block): Print tentative of loop blocking.
4643         (graphite_trans_scop_block): Do not print that the loop has been
4644         blocked.
4645         (graphite_transform_loops): Do not handle scops that contain condition
4646         scalar phi nodes.
4647
4648         * gcc.dg/graphite/pr38500.c: Fixed warning as committed
4649         in trunk.
4650         * gcc.dg/graphite/block-0.c: Update test.
4651         * gcc.dg/graphite/block-1.c: Same.
4652         * gcc.dg/graphite/block-2.c: Remove xfail and test for
4653         blocking.
4654         * gcc.dg/graphite/block-4.c: Remove test for strip mine.
4655         * gcc.dg/graphite/block-3.c: New.
4656         * gcc.dg/graphite/pr38498.c: New.
4657
4658 2008-12-22  Harsha Jagasia  <harsha.jagasia@amd.com>
4659
4660         PR tree-optimization/38510
4661         * gcc.dg/graphite/pr38510.c: New.
4662         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
4663           (translate_clast): Call recompute_all_dominators before
4664           graphite_verify.
4665           (gloog): Call recompute_all_dominators before graphite_verify.
4666
4667 2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>
4668
4669         PR tree-optimization/38492
4670         * graphite.c (rename_map_elt, debug_rename_elt,
4671         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
4672         rename_map_elt_info, eq_rename_map_elts,
4673         get_new_name_from_old_name, bb_in_sese_p): Moved around.
4674         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
4675         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
4676         (sese_build_livein_liveouts): New.
4677         (new_sese, free_sese): New.
4678         (new_scop): Call new_sese.
4679         (free_scop): Call free_sese.
4680         (rename_variables_from_edge, rename_phis_end_scop): Removed.
4681         (register_old_new_names): Renamed register_old_and_new_names.
4682         (register_scop_liveout_renames, add_loop_exit_phis,
4683         insert_loop_close_phis, struct igp,
4684         default_liveout_before_guard, add_guard_exit_phis,
4685         insert_guard_phis, copy_renames): New.
4686         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
4687         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
4688         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
4689         (scop_adjust_phis_for_liveouts): New.
4690         (gloog): Call scop_adjust_phis_for_liveouts.
4691
4692         * graphite.h (struct sese): Documented.  Added fields liveout,
4693         num_ver and livein.
4694         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
4695         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
4696         (struct scop): Added field liveout_renames.
4697         (SCOP_LIVEOUT_RENAMES): New.
4698
4699 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4700
4701         PR tree-optimization/38409
4702         * gcc.dg/graphite/pr38409.c: New.
4703         * graphite.c (nb_reductions_in_loop): Use simple_iv.
4704
4705 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4706
4707         * graphite.c (gcc_type_for_cloog_iv): By default return
4708         integer_type_node.
4709         (graphite_create_new_loop): Don't fold_convert the already
4710         fold_convert-ed expression.
4711
4712 2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>
4713
4714         PR tree-optimization/38446
4715         * gcc.dg/graphite/pr38446.c: New.
4716         * graphite.c (register_bb_in_sese): New.
4717         (bb_in_sese_p): Check if bb belongs to sese region by explicitly
4718         looking at the bbs in the region.
4719         * graphite.h (sese): Add region_basic_blocks pointer set to
4720         structure and initialize at the time of defining new scop.
4721
4722 2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>
4723
4724         * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
4725         (find_params_in_bb): Do not free data refs.
4726         (free_graphite_bb): Add FIXME on disabled free_data_refs.
4727
4728 2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
4729
4730         * gcc.dg/graphite/scop-16.c: Test only scop specific info.
4731         * gcc.dg/graphite/scop-17.c: Same.
4732         * gcc.dg/graphite/block-5.c: New.
4733         * gcc.dg/graphite/block-6.c: New.
4734         * gcc.dg/graphite/pr37485.c: Clean dump file after.
4735         * gcc.dg/graphite/pr37684.c: Same.
4736         * gcc.dg/graphite/block-2.c: Same.
4737
4738         * graphite.c (struct ivtype_map_elt): New.
4739         (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
4740         new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
4741         gcc_type_for_cloog_iv): New.
4742         (loop_iv_stack_patch_for_consts): Use the type of the induction
4743         variable from the original loop, except for the automatically
4744         generated loops, i.e., in the case of a strip-mined loop, in
4745         which case there is no original loop: in that case just use
4746         integer_type_node.
4747         (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
4748         (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
4749         (clast_name_to_gcc): Accept params to be NULL.
4750         (clast_to_gcc_expression): Take an extra parameter for the type.
4751         Convert to that type all the expressions built by this function.
4752         (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
4753         (graphite_translate_clast_equation): Compute the type of the
4754         clast_equation before translating its LHS and RHS.
4755         (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
4756         (graphite_create_new_loop): Compute the type of the induction
4757         variable before translating the lower and upper bounds and before
4758         creating the induction variable.
4759         (rename_variables_from_edge, rename_phis_end_scop): New.
4760         (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
4761         (sese_add_exit_phis_edge): Do not use integer_zero_node.
4762         (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
4763         compute_cloog_iv_types): New.
4764         (gloog): Call compute_cloog_iv_types before starting the
4765         translation of the clast.
4766
4767         * graphite.h (struct graphite_bb): New field cloog_iv_types.
4768         (GBB_CLOOG_IV_TYPES): New.
4769         (debug_ivtype_map): Declared.
4770         (oldiv_for_loop): New.
4771
4772 2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>
4773
4774         PR middle-end/38459
4775         * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
4776         (param_index): Assert if parameter is not know after parameter
4777         detection.
4778         (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
4779         (find_scop_parameters): Mark, that we have finished parameter
4780         detection.
4781         (graphite_transform_loops): Move condition detection before parameter
4782         detection.
4783         * graphite.h (struct scop): Add SCOP_ADD_PARAMS.
4784         * gfortran.dg/graphite/pr38459.f90: New.
4785
4786 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4787
4788         * graphite.c (graphite_transform_loops): Always call find_transform ()
4789         in ENABLE_CHECKING.  So we test these code paths, even if we do not
4790         generate code.
4791
4792 2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>
4793
4794         * graphite.c (print_graphite_bb): Fix printing to file != dump_file.
4795         (print_scop): Ditto.
4796
4797 2008-12-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4798
4799         PR middle-end/38084
4800         Fix gfortran.dg/graphite/id-3.f90.
4801         * graphite.c (scopdet_basic_block_info): Fix bug that found some
4802         regions more than once.
4803
4804 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4805
4806         Fix gfortran.dg/graphite/id-4.f90.
4807         * graphite.c (scan_tree_for_params): Do not compute the multiplicand
4808         when not needed.
4809
4810 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4811
4812         Fix gfortran.dg/graphite/id-1.f90.
4813         * graphite.c (gmp_cst_to_tree): Pass the type in parameter.
4814         (loop_iv_stack_patch_for_consts): Update use of gmp_cst_to_tree.
4815         (max_precision_type): New.
4816         (value_clast): Removed.
4817         (clast_to_gcc_expression): Be more careful to types of expressions.
4818         Use max_precision_type and update use of gmp_cst_to_tree.
4819         (graphite_translate_clast_equation): Use max_precision_type.
4820         (graphite_create_guard_cond_expr): Do not use integer_type_node,
4821         use the type of the condition.
4822         (graphite_create_new_loop): Do not use integer_type_node, use the
4823         max_precision_type of lb and ub.
4824
4825 2008-12-03  Sebastian Pop  <sebastian.pop@amd.com>
4826
4827         * graphite.c (build_scops_1): Initialize open_scop.exit
4828         and sinfo.last.
4829
4830 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4831
4832         * gcc.dg/graphite/pr38084.c: New.
4833         * gfortran.dg/graphite/id-1.f90: New.
4834         * gfortran.dg/graphite/id-2.f90: New.
4835         * gfortran.dg/graphite/id-3.f90: New.
4836         * gfortran.dg/graphite/id-4.f90: New.
4837         * gfortran.dg/graphite/pr37857.f90: New.
4838
4839 2008-12-02  Sebastian Pop  <sebastian.pop@amd.com>
4840             Jan Sjodin  <jan.sjodin@amd.com>
4841             Harsha Jagasia  <harsha.jagasia@amd.com>
4842
4843         PR middle-end/37852
4844         PR middle-end/37883
4845         PR middle-end/37928
4846         PR middle-end/37980
4847         PR middle-end/38038
4848         PR middle-end/38039
4849         PR middle-end/38073
4850         PR middle-end/38083
4851         PR middle-end/38125
4852
4853         * gcc.dg/graphite/pr38073.c: New.
4854         * gcc.dg/graphite/pr37928.c: New.
4855         * gcc.dg/graphite/pr37883.c: New.
4856         * gcc.dg/graphite/pr38125.c: New.
4857         * gfortran.dg/graphite/pr38083.f90: New.
4858         * gfortran.dg/graphite/pr37852.f90: New.
4859         * gfortran.dg/graphite/pr37980.f90: New.
4860
4861         * gcc.dg/graphite/scop-18.c: Remove reduction, test for
4862         the number of detected scops.  Copy exact same test for loop
4863         blocking...
4864         * gcc.dg/graphite/block-1.c: Fix the number of expected
4865         loops to be blocked as reductions are not handled.
4866         * gcc.dg/graphite/block-4.c: ...here.  New.
4867
4868         * tree-phinodes.c (remove_phi_nodes): New, extracted from...
4869         * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
4870         ...here.
4871         * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
4872         * Makefile.in (graphite.o): Depend on value-prof.h.
4873         (graphite.o-warn): Removed -Wno-error.
4874         * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
4875         to be a NULL pointer.  Call update_stmt.  Return the newly created
4876         cannonical induction variable.
4877
4878         * graphite.h (debug_rename_map): Declared.  Fix some comments.
4879
4880         * graphite.c: Reimplement the code generation from graphite to gimple.
4881         Include value-prof.h.
4882         (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
4883         (get_old_iv_from_ssa_name): Removed.
4884         (graphite_stmt_p): New.
4885         (new_graphite_bb): Test for useful statements before building a
4886         graphite statement for the basic block.
4887         (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
4888         in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without
4889         reason.
4890         (recompute_all_dominators, graphite_verify,
4891         nb_reductions_in_loop, graphite_loop_normal_form): New.
4892         (scop_record_loop): Call graphite_loop_normal_form.
4893         (build_scop_loop_nests): Iterate over all the blocks of the
4894         function instead of relying on the incomplete information from
4895         SCOP_BBS.  Return the success of the operation.
4896         (find_params_in_bb): Use the data from GBB_DATA_REFS.
4897         (add_bb_domains): Removed.
4898         (build_loop_iteration_domains): Don't call add_bb_domains.
4899         Add the iteration domain only to the basic blocks that have been
4900         translated to graphite.
4901         (build_scop_conditions_1): Add constraints only if the basic
4902         block have been translated to graphite.
4903         (build_scop_data_accesses): Completely disabled until data
4904         dependence is correctly implemented.
4905         (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
4906         (remove_all_edges_1, remove_all_edges): Removed.
4907         (get_new_name_from_old_name): New.
4908         (graphite_rename_variables_in_stmt): Renamed
4909         rename_variables_in_stmt.  Call get_new_name_from_old_name.
4910         Use replace_exp and update_stmt.
4911         (is_old_iv): Renamed is_iv.
4912         (expand_scalar_variables_stmt): Extra parameter for renaming map.
4913         Use replace_exp and update_stmt.
4914         (expand_scalar_variables_expr): Same.  Use the map to get the
4915         new names for the renaming of induction variables and for the
4916         renaming of variables after a basic block has been copied.
4917         (expand_scalar_variables): Same.
4918         (graphite_rename_variables): Renamed rename_variables.
4919         (move_phi_nodes): Removed.
4920         (get_false_edge_from_guard_bb): New.
4921         (build_iv_mapping): Do not insert the induction variable of a
4922         loop in the renaming iv map if the basic block does not belong
4923         to that loop.
4924         (register_old_new_names, graphite_copy_stmts_from_block,
4925         copy_bb_and_scalar_dependences): New.
4926         (translate_clast): Heavily reimplemented: copy basic blocks,
4927         do not move them.  Finally, in call cleanup_tree_cfg in gloog.
4928         At each translation step call graphite_verify ensuring the
4929         consistency of the SSA, loops and dominators information.
4930         (collect_virtual_phis, find_vdef_for_var_in_bb,
4931         find_vdef_for_var_1, find_vdef_for_var,
4932         patch_phis_for_virtual_defs): Removed huge hack.
4933         (mark_old_loops, remove_dead_loops, skip_phi_defs,
4934         collect_scop_exit_phi_args, patch_scop_exit_phi_args,
4935         gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
4936         (remove_sese_region, ifsese, if_region_entry, if_region_exit,
4937         if_region_get_condition_block, if_region_set_false_region,
4938         create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
4939         sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
4940         sese_add_exit_phis_edge, sese_add_exit_phis_var,
4941         rewrite_into_sese_closed_ssa): New.
4942         (gloog): Remove dead code.  Early return if code cannot be
4943         generated.  Call cleanup_tree_cfg once the scop has been code
4944         generated.
4945         (graphite_trans_scop_block, graphite_trans_loop_block): Do not
4946         block loops with less than two loops.
4947         (graphite_apply_transformations): Remove the call to
4948         scop_remove_ignoreable_gbbs.
4949         (limit_scops): When build_scop_loop_nests fails, continue on
4950         the next scop.  Fix open_scop.entry.
4951         (graphite_transform_loops): Call recompute_all_dominators: force the
4952         recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
4953         Call initialize_original_copy_tables and free_original_copy_tables
4954         to be able to copy basic blocks during code generation.
4955         When build_scop_loop_nests fails, continue on next scop.
4956         (value_clast): New union.
4957         (clast_to_gcc_expression): Fix type cast warning.
4958
4959 2008-11-09  Sebastian Pop  <sebastian.pop@amd.com>
4960
4961         * Merge from mainline (r140838:141727).
4962
4963 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4964
4965         PR middle-end/37833
4966
4967         * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.
4968
4969 2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>
4970
4971         PR middle-end/37943
4972
4973         * graphite.c (scopdet_basic_block_info): Fix loops with multiple
4974         exits and conditions.
4975         * gcc.dg/graphite/pr37943.c: New.
4976
4977 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4978
4979         PR middle-end/37886
4980         * graphite.c (gloog): Replace EXIT_BLOCK_PTR with scop exit.
4981
4982 2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>
4983
4984         * doc/invoke.texi: Fix spaces.
4985
4986 2008-10-22  Sebastian Pop  <sebastian.pop@amd.com>
4987
4988         PR tree-optimization/37891
4989         Reverted last commit.
4990         * graphite.c (create_single_entry_edge): Set
4991         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4992
4993 2008-10-21  Sebastian Pop  <sebastian.pop@amd.com>
4994             Mitul Thakkar  <mitul.thakkar@amd.com>
4995
4996         * graphite.c (create_single_entry_edge): Set
4997         EDGE_IRREDUCIBLE_LOOP and BB_IRREDUCIBLE_LOOP.
4998
4999 2008-10-16  Tobias Grosser  <grosser@fim.uni-passau.de>
5000
5001         * doc/invoke.texi: Add -fgraphite-identity.
5002         * graphite.c (graphite_apply_transformations): Check for
5003         -fgraphite-identity.
5004         * toplev.c (process_options): Add flag_graphite_identity.
5005         * tree-ssa-loop.c: Add flag_graphite_identity.
5006
5007 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5008
5009         Undo changes from 2008-10-02:
5010         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5011         operand type when copying the operand to a variable of different type.
5012         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5013         with the IV name after increment.
5014
5015 2008-10-14  Sebastian Pop  <sebastian.pop@amd.com>
5016             Harsha Jagasia  <harsha.jagasia@amd.com>
5017
5018         PR tree-optimization/37828
5019         * gcc.dg/graphite/pr37828.c: New.
5020         * graphite.c (graphite_trans_loop_block): Do not loop block
5021         single nested loops.
5022
5023 2008-10-09  Harsha Jagasia  <harsha.jagasia@amd.com>
5024             Sebastian Pop  <sebastian.pop@amd.com>
5025
5026         * graphite.c (struct rename_map_elt, new_rename_map_elt,
5027         rename_map_elt_info, eq_rename_map_elts): New.
5028         (graphite_rename_ivs_stmt): Renamed graphite_rename_variables_in_stmt.
5029         (expand_scalar_variables_expr): Change parameters.
5030         (expand_scalar_variables_stmt): Same.
5031         (expand_scalar_variables): Same.
5032         (graphite_rename_ivs): Rename graphite_rename_variables.
5033         (build_iv_mapping): New.
5034         (translate_clast): Call build_iv_mapping.
5035         * graphite.h (gbb_p): New name.
5036
5037 2008-10-03  Harsha Jagasia  <harsha.jagasia@amd.com>
5038
5039         PR tree-optimization/37684
5040         * gcc.dg/graphite/pr37684.c: New.
5041         * graphite.c (exclude_component_ref): New.
5042         (is_simple_operand): Call exclude_component_ref.
5043
5044 2008-10-02  Jan Sjodin  <jan.sjodin@amd.com>
5045             Harsha Jagasia  <harsha.jagasia@amd.com>
5046
5047         PR tree-optimization/37485
5048         * gcc.dg/graphite/block-2.c: New
5049         * graphite.c (gmp_cst_to_tree): Moved.
5050         (iv_stack_entry_is_constant): New.
5051         (iv_stack_entry_is_iv): New.
5052         (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
5053         (loop_iv_stack_insert_constant): New.
5054         (loop_iv_stack_pop): Use new datatpype.
5055         (loop_iv_stack_get_iv): Same.
5056         (loop_iv_stack_get_iv_from_name): Same.
5057         (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
5058         (loop_iv_stack_patch_for_consts): New.
5059         (loop_iv_stack_remove_constants): New.
5060         (graphite_create_new_loop): Use loop_iv_stack_push_iv.
5061         (translate_clast): Call loop_iv_stack_patch_for_consts and
5062         loop_iv_stack_remove_constants.
5063         (gloog): Use new datatype.  Redirect construction edge to end
5064         block to avoid accidental deletion.
5065         * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
5066         iv stack entry.
5067         (union iv_stack_entry_data): New.  Data in iv stack entry.
5068         (struct iv_stack_entry): New.  Datatype for iv stack entries.
5069
5070 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5071
5072         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Convert
5073         operand type when copying the operand to a variable of different type.
5074
5075 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5076
5077         * cfgloopmanip.c (create_empty_loop_on_edge): Write exit condition
5078         with the IV name after increment.
5079
5080 2008-10-02  Sebastian Pop  <sebastian.pop@amd.com>
5081
5082         * Merge from mainline (r140164:140838).
5083
5084 2008-09-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5085
5086         * graphite-data-ref.c: New.
5087         * graphite.c (print_scop): Also dump the dependence graph.
5088         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): Moved...
5089         (new_scop): Initialize SCOP_DEP_GRAPH.
5090         (build_scop_dynamic_schedules): New.
5091         (build_access_matrix_with_af): Fixed column numbering.
5092         (graphite_transform_loops): Call build_scop_dynamic_schedules.
5093         * graphite.h: Add ifndef/define guards against multiple inclusion.
5094         (struct scop): Add dep_graph field.
5095         (SCOP_DEP_GRAPH): Defined.
5096         (ref_nb_loops): Fixed and moved to other position.
5097         (bb_in_scop_p, loop_in_scop_p, nb_loops_around_gb): ... here.
5098         (nb_loops_around_loop_in_scop): New.
5099         (graphite_dump_dependence_graph): Declared.
5100         (graphite_build_rdg_all_levels): Declared.
5101         (graphite_test_dependence): Declared.
5102         * Makefile.in (graphite-data-ref.o): New target.
5103
5104 2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>
5105
5106         * Merge from mainline (139870:140164).
5107
5108 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5109
5110         * Merge from mainline (138275:139870).
5111         * gcc.dg/graphite/scop-matmult.c: XFailed as one of
5112         the commits from trunk broke the niter detection.
5113
5114 2008-09-01  Sebastian Pop  <sebastian.pop@amd.com>
5115
5116         * graphite.c: Add more documentation.  Fix formatting.
5117         (debug_loop_vec, debug_oldivs, loop_iv_stack,
5118         loop_iv_stack_debug): Moved...
5119         (schedule_to_scattering): Move before use.
5120         (dot_all_scops): Include in "#if 0" the code for system
5121         call dotty.
5122
5123         * graphite.h: (debug_loop_vec, debug_oldivs, loop_iv_stack,
5124         loop_iv_stack_debug): ...here.
5125
5126 2008-08-29  Jan Sjodin  <jan.sjodin@amd.com>
5127
5128         * tree-phinodes.c (make_phi_node): Extern.
5129         (add_phi_node_to_bb): New.
5130         (create_phi_node): Call add_phi_node_to_bb.
5131         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
5132         (remove_statement): Handle case where stored phi was updated
5133         and is no longer the same.
5134         * graphite.c (is_parameter): New.
5135         (is_old_iv): New.
5136         (expand_scalar_variables_expr): New.
5137         (expand_scalar_variables_stmt): New.
5138         (expand_scalar_variables): New.
5139         (move_phi_nodes): Create new phi instead of moving old one.
5140         (translate_clast): Call expand_scalar_variables.
5141         (find_vdef_for_var_in_bb): Also scan regular definitions.
5142         (skip_phi_defs): New.
5143         (collect_scop_exit_phi_args): New.
5144         (patch_scop_exit_phi_args): New.
5145         (gloog): Patch phis after scop.
5146         * tree-flow.h: (add_phi_node_to_bb): Declared.
5147         (make_phi_node): Declared.
5148
5149 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5150
5151         * graphite.c (end_scop): Split the entry of the scop when it
5152         is the header of the loop in which the scop is ending.
5153         (build_scops_1, limit_scops): Update uses of end_scop.
5154
5155 2008-08-26  Sebastian Pop  <sebastian.pop@amd.com>
5156
5157         * graphite.c (dot_all_scops_1): Do not fail on uninitialized
5158         SCOP_ENTRY or SCOP_EXIT.
5159
5160 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5161
5162         * graphite.c (get_construction_edge): Removed.
5163         (gloog): Construction edge is the scop entry edge.
5164
5165 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5166
5167         * graphite.c (can_generate_for_scop): Removed.
5168         (gloog): Do not call it.
5169
5170 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5171
5172         * graphite.c (new_scop): Entry of a scop is an edge.
5173         Initialize SESE region.
5174         (free_scop): Free SESE region.
5175         (build_scops_1, scopdet_bb_info): Work on edges, not on bbs.
5176         (split_difficult_bb): New, split from end_scop.
5177         (end_scop): Exit of a scop is an edge.
5178         (build_scop_bbs): Never check CDI_POST_DOMINATORS: this info is
5179         not automatically updated and thus is always wrong.
5180         * graphite.h (struct sese): New.
5181         (SESE_ENTRY): New.
5182         (SESE_EXIT): New.
5183         (struct scop): New field for a SESE region.  Remove entry, exit.
5184         (SCOP_ENTRY, SCOP_EXIT): Update definitions to match same
5185         semantics as before.  Moved comment around.
5186
5187 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5188             Sebastian Pop  <sebastian.pop@amd.com>
5189
5190         * graphite.c (graphite_transform_loops): Always enable gloog
5191         and find_transform when ENABLE_CHECKING.
5192
5193 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5194
5195         * graphite.c (graphite_transform_loops): Move pretty printer
5196         of SCOPs before doing any transform.  Remove call to print_scops
5197         and dot_all_scops_1.
5198
5199 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5200
5201         * graphite.c (dump_gbb_conditions): Don't try to print NULL pointers.
5202         (print_graphite_bb): Same.
5203
5204 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5205
5206         * graphite.c (dot_all_scops_1): Cleanup.
5207         (move_scops): Fix comment.
5208
5209 2008-08-25  Sebastian Pop  <sebastian.pop@amd.com>
5210
5211         * graphite.c (build_scop_bbs): Revert commit 139355:
5212
5213         2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5214                     Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5215
5216                 * graphite.c (build_scop_bbs): Factor up code.
5217
5218 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5219
5220         * graphite.c (gloog): Update dominator info.
5221
5222 2008-08-25  Tobias Grosser  <grosser@fim.uni-passau.de>
5223
5224         * graphite.c (remove_cond_exprs): Do not fail on empty bbs.
5225
5226 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5227
5228         * graphite.c (new_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP
5229         initialization.
5230         (free_graphite_bb): Remove GBB_INDEX_TO_NUM_MAP free.
5231         (translate_clast): Correct formatting.
5232         * graphite.h (struct num_map): Removed.
5233         (struct graphite_bb): Remove num_map field.
5234         (GBB_INDEX_TO_NUM_MAP): Removed.
5235
5236 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5237
5238         * graphite.c (build_access_matrix_with_af): Fix comments.
5239         (build_scop_data_accesses): Same.
5240
5241 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5242
5243         * graphite.c (build_scop_data_accesses): Don't construct
5244         access matrices.  Add a FIXME and an assert condition that
5245         should pass when the access matrices will be needed.
5246
5247 2008-08-24  Sebastian Pop  <sebastian.pop@amd.com>
5248
5249         * tree-data-ref.c (stmt_simple_memref_p): Don't call
5250         really_constant_p.
5251         * graphite.c (build_graphite_bb): Renamed new_graphite_bb.
5252         Moved close by free_graphite_bb.
5253         (free_graphite_bb): Call free_data_refs.  Reset bb->aux.
5254         (new_scop): Move close by free_scop.
5255         (graphite_transform_loops): Avoid linear scan to reset bb->aux.
5256
5257 2008-08-22  Jan Sjodin  <jan.sjodin@amd.com>
5258
5259         * cfgloopmanip.c (create_empty_if_region_on_edge): New.
5260         * graphite.c (clast_to_gcc_expression): Call gmp_cst_to_tree
5261         instead of recursive call.
5262         (graphite_translate_clast_equation): New.
5263         (graphite_create_guard_cond_expr): New.
5264         (graphite_create_new_guard): New.
5265         (get_stack_index_from_iv): Removed.
5266         (graphite_rename_ivs_stmt): Use gbb_loop_index.
5267         (get_true_edge_from_guard_bb): New.
5268         (translate_clast): Handle stmt_guard in clast.
5269         (get_construction_edge): Allow construction edge detection for
5270         a scope entry with multiple predecessors if one predecessor is
5271         the immediate dominator of scope entry.
5272         (can_generate_code_stmt): Enable code generation for clast_guard.
5273         (gloog): Use correct context loop.  Removed check for post dominators.
5274         * cfgloop.h (create_empty_if_region_on_edge): Declared.
5275
5276 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5277
5278         * graphite.c (remove_dead_loops): Document better which
5279         loops are removed.
5280
5281 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5282
5283         * Makefile.in: Rename POLYLIBLIBS and POLYLIBINC to PPLLIBS
5284         and PPLINC.
5285         (graphite.o): Also depends on pointer-set.h.
5286
5287 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5288
5289         * graphite.c (scop_record_loop): Fix compile warning.
5290
5291 2008-08-21  Harsha Jagasia  <harsha.jagasia@amd.com>
5292             Sebastian Pop  <sebastian.pop@amd.com>
5293
5294         * graphite.c (scop_record_loop): DECL_NAME can be NULL.
5295
5296 2008-08-21  Sebastian Pop  <sebastian.pop@amd.com>
5297
5298         * graphite.c (build_graphite_bb): Initialize bb->aux to
5299         point to the graphite_bb_p.
5300         (graphite_bb_from_bb): Renamed gbb_from_bb; returns the
5301         content of bb->aux.
5302         (add_bb_domains): Does not use the scop parameter.
5303         (graphite_transform_loops): Clean bb->aux at the end.
5304
5305 2008-08-20  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5306             Sebastian Pop  <sebastian.pop@amd.com>
5307
5308         * lib/target-supports.exp
5309         (check_effective_target_fgraphite): New.
5310
5311         * gcc.dg/graphite/graphite.exp: Early exit when
5312         check_effective_target_fgraphite returns false.
5313         Set dg-do-what-default to compile.
5314         (scan-graphite-dump-times): Removed.
5315         * gfortran.dg/graphite/graphite.exp: Same.
5316
5317         * gcc.dg/graphite/scop-0.c: Do not use "dg-do compile".
5318         Use scan-tree-dump-times instead of scan-graphite-dump-times.
5319         * gcc.dg/graphite/scop-1.c: Same.
5320         * gcc.dg/graphite/scop-2.c: Same.
5321         * gcc.dg/graphite/scop-3.c: Same.
5322         * gcc.dg/graphite/scop-4.c: Same.
5323         * gcc.dg/graphite/scop-5.c: Same.
5324         * gcc.dg/graphite/scop-6.c: Same.
5325         * gcc.dg/graphite/scop-7.c: Same.
5326         * gcc.dg/graphite/scop-8.c: Same.
5327         * gcc.dg/graphite/scop-9.c: Same.
5328         * gcc.dg/graphite/scop-10.c: Same.
5329         * gcc.dg/graphite/scop-11.c: Same.
5330         * gcc.dg/graphite/scop-12.c: Same.
5331         * gcc.dg/graphite/scop-13.c: Same.
5332         * gcc.dg/graphite/scop-matmult.c: Same.
5333         * gcc.dg/graphite/scop-14.c: Same.
5334         * gcc.dg/graphite/scop-15.c: Same.
5335         * gcc.dg/graphite/block-0.c: Same.
5336         * gcc.dg/graphite/scop-16.c: Same.
5337         * gcc.dg/graphite/block-1.c: Same.
5338         * gcc.dg/graphite/scop-17.c: Same.
5339         * gcc.dg/graphite/scop-18.c: Same.
5340         * gfortran.dg/graphite/block-1.f90: Same.
5341         * gfortran.dg/graphite/scop-1.f: Same.
5342         * gfortran.dg/graphite/block-2.f: Same.
5343
5344 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5345
5346         * graphite.c: Fix some XXX comments.
5347         (build_scop_dynamic_schedules): Removed.
5348
5349 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5350
5351         * graphite.h (scop_max_loop_depth): Moved...
5352         * graphite.c (scop_max_loop_depth): ...here.
5353         (remove_all_edges_1): New.
5354         (remove_all_edges): Factored code.
5355         (remove_cond_exprs): Check only the last statement for
5356         a GIMPLE_COND expression.
5357
5358 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5359
5360         * graphite.c (scan_tree_for_params): Early return when the
5361         expression is a chrec_dont_know.  Handle case NEGATE_EXPR.
5362         (find_scop_parameters): Factor out code.
5363         (graphite_trans_bb_strip_mine): Remove dead code.
5364
5365 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5366
5367         * graphite.c (clast_to_gcc_expression, graphite_create_new_loop,
5368         graphite_trans_bb_move_loop): Factor asserts.
5369         (gloog): Perform sanity checks only for ENABLE_CHECKING.
5370         Do not call calculate_dominance_info and estimate_bb_frequencies.
5371
5372 2008-08-20  Jan Sjodin  <jan.sjodin@amd.com>
5373
5374         * graphite.c (create_loops_mapping, free_loops_mapping,
5375         create_loops_mapping_num, debug_loop_mapping_1,
5376         debug_loop_mapping, graphite_loops_mapping_max_loop_num,
5377         get_loop_mapping_for_num, graphite_loops_mapping_add_child,
5378         graphite_loops_mapping_add_child_num,
5379         graphite_loops_mapping_insert_child,
5380         graphite_loops_mapping_parent, get_loop_mapped_depth_for_num,
5381         get_loop_mapped_depth, split_loop_mapped_depth_for_num,
5382         loop_mapped_depth_split_loop, swap_loop_mapped_depth_for_num,
5383         create_num_from_index, get_num_from_index,
5384         swap_loop_mapped_depth): Removed.
5385         (new_scop): Do not initialize SCOP_LOOPS_MAPPING.
5386         (free_scop): Do not call free_loops_mapping.
5387         (graphite_get_new_iv_stack_index_from_old_iv): Renamed
5388         get_stack_index_from_iv.  Use GBB_LOOPS instead of calling
5389         get_loop_mapped_depth.
5390         (graphite_trans_bb_move_loop): Do not update the loop mapping.
5391         (graphite_trans_bb_strip_mine): Same.
5392         * graphite.h (graphite_loops_mapping, graphite_loop_node): Removed.
5393         (struct scop): Remove field loops_mapping.
5394
5395 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5396             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5397
5398         * graphite.c (scop_record_loop): Factor out one level of the
5399         condition by early return.
5400         (build_scop_loop_nests): Format following FSF coding style.
5401         (build_scop_dynamic_schedules): Factor out code.
5402         (scopdet_bb_info): Reindent.  Default case should not be reachable.
5403
5404 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5405             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5406
5407         * graphite.c (loop_affine_expr): Check for DECL_P or struct
5408         assignments that are not handled as simple operands for now.
5409
5410 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5411             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5412
5413         * graphite.c (build_scop_bbs): Factor up code.
5414
5415 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5416             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5417
5418         * graphite.c (stmt_simple_for_scop_p): Factor code out
5419         of the loop.
5420         (enum gbb_type): New.  Group all the GBB_* types under it.
5421         (is_loop_exit): Moved...
5422         (end_scop): Enable BB spliting.
5423         * cfgloop.c (is_loop_exit): ...here.  Reimplemented.
5424         * cfgloop.h (is_loop_exit): Declared.
5425
5426 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5427
5428         * doc/invoke.texi: Remove strides from examples containing
5429         DO loops when the strides are equal to 1.
5430
5431 2008-08-20  Harsha Jagasia  <harsha.jagasia@amd.com>
5432             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5433
5434         * graphite.c (graphite_trans_scop_block): Or the result with
5435         the result from graphite_trans_loop_block.
5436         * gcc.dg/graphite/block-1.c: New.
5437         * gfortran.dg/graphite/block-1.f90: New.
5438         * gfortran.dg/graphite/block-2.f: New.
5439
5440 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5441
5442         * graphite.c (graphite_transform_loops): Call cloog_initialize
5443         and cloog_finalize.
5444
5445 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5446
5447         * tree-data-ref.c) (stmt_simple_memref_p): New.
5448         * tree-data-ref.h (stmt_simple_memref_p): Declared.
5449         * graphite.c (stmt_simple_memref_for_scop_p): Removed.
5450         (is_simple_operand): Call stmt_simple_memref_p.
5451
5452         * gcc.dg/graphite/scop-matmult.c: Updated for not
5453         using pointer arithmetic, as this is optimized by PRE and
5454         makes the code too difficult to analyze.
5455
5456         * gcc.dg/graphite/scop-18.c: Same.
5457
5458 2008-08-20  Sebastian Pop  <sebastian.pop@amd.com>
5459
5460         * gdbinit.in (pgg): New.
5461
5462 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5463
5464         * graphite.c (graphite_trans_loop_block): Fix warning.
5465
5466 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5467
5468         * graphite.c (graphite_trans_loop_block): Fix my merge error.
5469
5470 2008-08-15  Tobias Grosser  <grosser@fim.uni-passau.de>
5471
5472         * graphite.c (graphite_trans_bb_block): Remove check for
5473         flag_loop_strip_mine, flag_loop_block, flag_loop_interchange.
5474         Check if loop blocking is profitable for every loop, before applying
5475         the changes.
5476         (graphite_apply_transformations): Call graphite_trans_bb_block only,
5477         if flag_loop_block is set.
5478
5479 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5480
5481         * graphite.c: Add some more documentation for the loop
5482         mapping.
5483
5484 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5485
5486         * Makefile.in (tree-data-ref.o): Remove dependence on graphite.h.
5487         * graphite.c: Format on less than 80 columns.
5488         * graphite.h: Same.
5489
5490 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5491
5492         * cfgloopmanip.c (loopify): Use update_dominators_in_loop.
5493
5494 2008-08-14  Sebastian Pop  <sebastian.pop@amd.com>
5495
5496         * doc/invoke.texi (floop-block, floop-strip-mine,
5497         floop-interchange): Update documentation with examples.
5498
5499 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5500
5501         * cfgloopmanip.c (create_empty_loop_on_edge): Don't call
5502         add_referenced_var.
5503         * graphite.c (graphite_create_new_loop): Call add_referenced_var.
5504
5505 2008-08-13  Sebastian Pop  <sebastian.pop@amd.com>
5506
5507         * cfgloopmanip.c (create_empty_loop_on_edge): Improve documentation.
5508         Factor gcc_asserts into a single one.  Use force_gimple_operand_gsi.
5509         * tree-scalar-evolution.c: Revert useless changes.
5510         * tree-phinodes.c: Same.
5511         * cfghooks.c: Same.
5512         * vec.h: Same.
5513         * tree-vectorizer.h: Same.
5514         * tree-flow.h: Same.
5515         * tree-cfg.c: Same.
5516         * common.opt (fgraphite): Update documentation.
5517
5518 2008-08-12  Harsha Jagasia  <harsha.jagasia@amd.com>
5519
5520         * doc/invoke.texi (-floop-block, -floop-strip-mine,
5521         -floop-interchange): Add more text for explaining what each of these
5522         flags is doing.
5523         * tree-into-ssa.c (gimple_vec): Moved to...
5524         * graphite.c: Include gimple.h.
5525         (gimple_vec): Moved to...
5526         (del_loop_to_cloog_loop): Removed.
5527         (loop_affine_expr): Do not call create_data_ref when the
5528         operand is a constant.
5529         (new_scop): Use free instead of del_loop_to_cloog_loop.
5530         * Makefile.in (graphite.o): Depend on GIMPLE_H.
5531         * gimple.h (gimple_vec): ... here.
5532
5533 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5534
5535         * graphite.c (scopdet_bb_info): Only allow loops with known number of
5536         latch executions.
5537         (build_loop_iteration_domains): Fail, if latch executions unknown.
5538
5539 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5540
5541         * graphite.c (add_conditions_to_domain): New.
5542         (build_scop_conditions_1): Call add_conditions_to_domain.
5543         (set_cloog_options): Allow to disable optimizations.
5544
5545 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5546
5547         * graphite.c (find_params_in_bb): Look for parameters in conditions.
5548         Do not use walk_dominator_tree.
5549         (find_scop_parameters): Do not use walk_dominator_tree.
5550
5551 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5552
5553         * graphite.c (scan_tree_for_params) Add / Subtract inequality.
5554         (idx_record_params): Adapt.
5555         * graphite.h (scop_gimple_loop_depth): New.
5556
5557 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5558
5559         * graphite.c (build_scop_dynamic_schedules): Remove value_init.
5560         (scan_tree_for_params): Remove value_init.
5561         (build_scop_context): Remove value_init.
5562         (build_loop_iteration_domains): Remove value_init.
5563         (schedule_to_scattering): Remove value_init.
5564         (graphite_trans_bb_strip_mine): Remove value_init.
5565
5566 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5567
5568         * gcc/graphite.c (limit_scops): New.
5569         (graphite_transform_loops): Add limit SCoPs.
5570         * gcc.dg/graphite/scop-0.c: Update number of SCoPs.
5571         * gcc.dg/graphite/scop-1.c: Update number of SCoPs.
5572         * gcc.dg/graphite/scop-10.c: Update number of SCoPs.
5573         * gcc.dg/graphite/scop-11.c: Update number of SCoPs.
5574         * gcc.dg/graphite/scop-12.c: Update number of SCoPs.
5575         * gcc.dg/graphite/scop-13.c: Update number of SCoPs.
5576         * gcc.dg/graphite/scop-14.c: Update number of SCoPs.
5577         * gcc.dg/graphite/scop-15.c: Update number of SCoPs.
5578         * gcc.dg/graphite/scop-16.c: Update number of SCoPs.
5579         Change loop numbers.
5580         * gcc.dg/graphite/scop-17.c: Update number of SCoPs.
5581         Change loop numbers.
5582         * gcc.dg/graphite/scop-18.c: Update number of SCoPs.
5583         * gcc.dg/graphite/scop-2.c: Update number of SCoPs.
5584         * gcc.dg/graphite/scop-3.c: Update number of SCoPs.
5585         * gcc.dg/graphite/scop-4.c: Update number of SCoPs.
5586         * gcc.dg/graphite/scop-5.c: Update number of SCoPs.
5587         * gcc.dg/graphite/scop-6.c: Update number of SCoPs.
5588         * gcc.dg/graphite/scop-7.c: Update number of SCoPs.
5589         * gcc.dg/graphite/scop-8.c: Update number of SCoPs.
5590         * gcc.dg/graphite/scop-9.c: Update number of SCoPs.
5591         * gcc.dg/graphite/scop-matmult.c: Update number of SCoPs.
5592
5593 2008-08-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5594
5595         * graphite.c (graphite_transform_loops): Call always find_transform.
5596
5597 2008-08-08  Tobias Grosser  <grosser@fim.uni-passau.de>
5598
5599         * graphite.c (free_loops_mapping): New.
5600         (stmt_simple_for_scop_p): Fix typo.
5601         (stmt_simple_for_scop_p): Fix tuples functions, that
5602         broke polyhedron.
5603         (free_graphite_bb): Fix some memleaks.
5604         (free_scop): Fix some memleaks.
5605         (scopdet_bb_info): Do not forget some tmp SCoPs.
5606         (find_params_in_bb): Fix some memleaks.
5607         (clast_to_gcc_expression): Fix warning.
5608
5609 2008-08-07  Tobias Grosser  <grosser@fim.uni-passau.de>
5610
5611         * gcc.dg/graphite/scop-16.c: Fix for 32bit.
5612         * gcc.dg/graphite/scop-17.c: Fix for 32bit.
5613
5614 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5615
5616         * tree-ssa-loop.c (tree-ssa-loop.o): Do not include toplev.h.
5617         Move code ifdef-ed HAVE_cloog...
5618         * graphite.c: Include toplev.h.
5619         ... here.
5620         * Makefile.in (OBJS-common): Always build graphite.o.
5621         (BACKEND): Remove @GRAPHITE@.
5622         (tree-ssa-loop.o): Do not depend on TOPLEV_H.
5623         (graphite.o): Depend on TOPLEV_H.
5624
5625 2008-08-04  Sebastian Pop  <sebastian.pop@amd.com>
5626
5627         * Makefile.in (tree-ssa-loop.o): Depend on TOPLEV_H.
5628         Remove typo left from polylib to ppl conversion.
5629         * graphite.c (graphite_transforms): Use sorry instead of fatal.
5630
5631 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5632
5633         * toplev.c (process_options): Move the graphite loop optimization
5634         flags...
5635         * tree-ssa-loop.c (graphite_transforms): ... here.
5636         When not configured with CLooG, print to dump_file that
5637         Graphite transforms were not performed.
5638         * gcc.dg/graphite/graphite.exp (scan-graphite-dump-times):
5639         New.
5640         * gcc.dg/graphite/*.c: Updated all testcases to use
5641         scan-graphite-dump-times.
5642
5643 2008-08-03  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * graphite.c (dot_scop, dot_all_scops): Do not call system.
5646         Do not open /tmp/scop.dot and /tmp/allscops.dot.
5647
5648 2008-08-02  Sebastian Pop  <sebastian.pop@amd.com>
5649             Jan Sjodin  <jan.sjodin@amd.com>
5650
5651         * configure: Regenerated.
5652         * omp-low.c (expand_omp_sections): Remove now unused code.
5653         * config.in (HAVE_polylib): Removed.
5654         * configure.ac (HAVE_polylib, POLYLIBLIBS, POLYLIBINC): Removed.
5655         (PPLLIBS, PPLINC): Added.
5656         * graphite.c: Replace unsigned with int wherever possible.
5657         Don't access Cloog's data structures, but use accessor functions.
5658         Clast's stmt->type is now implemented as a vtable: change the
5659         switches of stmt->type into ifs.
5660         (polylib/polylibgmp.h): Don't include.
5661         (initialize_dependence_polyhedron,
5662         initialize_data_dependence_polyhedron, is_empty_polyhedron,
5663         statement_precedes_p, test_dependence, build_rdg_all_levels,
5664         dump_dependence_graph): Removed until this code is cleaned up
5665         or ported to Cloog.
5666         * Makefile.in (POLYLIBLIBS): Renamed PPLLIBS.
5667         (POLYLIBINC): Renamed PPLINC.
5668
5669 2008-08-01  Harsha Jagasia  <harsha.jagasia@amd.com>
5670             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5671             Jan Sjodin  <jan.sjodin@amd.com>
5672
5673         Finish the merge and tuplification of graphite.
5674
5675 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5676             Jan Sjodin  <jan.sjodin@amd.com>
5677
5678         Partial merge from mainline (138072:138275).
5679         * graphite.c still has to be tuplified.
5680
5681 2008-07-29  Jan Sjodin  <jan.sjodin@amd.com>
5682
5683         * graphite.c (graphite_loops_mapping_max_loop_num): New.
5684         (create_num_from_index): New.
5685         (get_num_from_index): Also pass in the graphite BB.
5686         (free_graphite_bb): Free GBB_INDEX_TO_NUM_MAP.
5687         (build_graphite_bb): Initialize GBB_INDEX_TO_NUM_MAP.
5688         (graphite_trans_bb_strip_mine): Call create_num_from_index.
5689         (is_interchange_valid): Return false when failing.
5690         * graphite.h (struct num_map): New.
5691         (struct graphite_bb): New field num_map.
5692         (GBB_LOOPS_MAPPING): Renamed GBB_INDEX_TO_NUM_MAP.
5693
5694 2008-07-29  Tobias Grosser  <grosser@fim.uni-passau.de>
5695
5696         * graphite.c (dump_gbb_conditions): Print also conditions like
5697         "if (a)".  Remove dublicated code and use print_generic_expr ().
5698         (stmt_simple_for_scop_p): Only allow conditions we can handle
5699         {<, <=, >, >=}.
5700
5701 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5702
5703         * graphite.h (struct scop): Removed new_ivs field.
5704         (SCOP_NEWIVS): Deleted.
5705         * graphite.c (new_scop, free_scop, clast_name_to_gcc,
5706         clast_to_gcc_expression, graphite_create_new_loop):
5707         Removed use of new_ivs.
5708
5709 2008-07-25  Jan Sjodin  <jan.sjodin@amd.com>
5710
5711         * graphite.c (debug_oldivs, debug_loop_vec, create_loops_mapping,
5712         create_loops_mapping_num, debug_loop_mapping_1): New.
5713         (debug_loop_mapping): Call debug_loop_mapping_1.
5714         (get_loop_mapping_for_num,
5715         graphite_loops_mapping_add_child,
5716         graphite_loops_mapping_add_child_num,
5717         graphite_loops_mapping_insert_child,
5718         graphite_loops_mapping_parent,
5719         split_loop_mapped_depth_for_num,
5720         loop_mapped_depth_split_loop): New.
5721         (increment_loop_mapped_depths): Removed.
5722         (swap_loop_mapped_depth_for_num): Reimplemented.
5723         (new_scop): Call create_loops_mapping.
5724         (scop_record_loop): Call graphite_loops_mapping_insert_child.
5725         (translate_clast): Pass the old loop father in parameter, and pass
5726         it to get_old_iv_from_ssa_name.
5727         (remove_edges_around_useless_blocks, can_generate_code_stmt,
5728         can_generate_code, can_generate_for_scop): New.
5729         (graphite_trans_bb_block): Returns false when it fails to transform.
5730         * graphite.h (graphite_loop_node, graphite_loops_mapping): New.
5731
5732 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5733
5734         Reverted all the changes related to the streamization and
5735         loop fusion.
5736         These changes are now tracked in the streamization branch.
5737
5738 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5739             Jan Sjodin  <jan.sjodin@amd.com>
5740
5741         * graphite.c (gbb_compare): Correctly constify.
5742         (gbb_can_be_ignored): Indent.
5743         (graphite_trans_scop_swap_1and2): Add legality check.
5744         Remove dead FIXMEs.
5745
5746 2008-07-25  Sebastian Pop  <sebastian.pop@amd.com>
5747
5748         Remove fallouts from "Reverted the Condate changes".
5749         * tree.h: Remove unused decl.
5750         * gcc.dg/tree-checker: Same.
5751         * timevar.def: Remove counter.
5752
5753 2008-07-24  Sebastian Pop  <sebastian.pop@amd.com>
5754
5755         * Merge from mainline (135673:138072).
5756
5757         Reverted the MIRO changes (from 2008-04-05) that are now
5758         tracked in the miro branch.
5759         * tree-bounds.c: Removed.
5760         * tree-bounds.h: Removed.
5761
5762         Reverted the Condate changes (from 2006-07-04, 2007-03-20) that
5763         are now tracked in the condate branch.
5764         * tree-check.c: Removed.
5765         * tree-match.c: Removed.
5766         * condate.y: Removed.
5767
5768 2008-07-24  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5769
5770         * common.opt: New user flag -floop-block, -floop-strip-mine
5771         and -floop-interchange.
5772         * toplev.c (process_options): Enable -fgraphite pass if any one of the
5773         graphite loop optimization flags is turned on.
5774         * graphite.c (graphite_apply_transformations): Add flag_loop_block,
5775         flag_loop_strip_mine and flag_loop_interchange checks before
5776         optimizations.
5777         * doc/invoke.texi: Remove -fgraphite and add -floop-block,
5778         -floop-strip-mine and -floop-interchange.
5779         * gcc.dg/graphite/block-0.c: Add -floop-block and remove
5780         -fgraphite.
5781         * gcc.dg/graphite/scop-16.c: Ditto.
5782         * gcc.dg/graphite/scop-17.c: Ditto.
5783         * gcc.dg/graphite/scop-18.c: Ditto.
5784
5785 2008-07-23  Jan Sjodin  <jan.sjodin@amd.com>
5786             Sebastian Pop  <sebastian.pop@amd.com>
5787
5788         * cfgloopmanip.c (update_dominators_in_loop): Make it static.
5789         (create_empty_loop_on_edge): More fixes.
5790         * tree-phinodes.c (resize_phi_node): Extern.
5791         (unlink_phi_node, move_phi_node): New split from remove_phi_node.
5792         * cfghooks.c (update_dominator_information): New split from
5793         split_edge.
5794         * tree-vectorizer.c (rename_variables_in_bb): Extern.
5795         * tree-dfa.c (collect_dfa_stats): Start walking the CFG on the
5796         successor of the function entry block.
5797
5798         * graphite.c: Include pointer-set.h.
5799         (debug_loop_mapping, increment_loop_mapped_depths,
5800         get_loop_mapped_depth_for_num, get_loop_mapped_depth,
5801         set_loop_mapped_depth_for_num, set_loop_mapped_depth,
5802         swap_loop_mapped_depth_for_num, get_num_from_index,
5803         swap_loop_mapped_depth, loop_iv_stack_debug,
5804         loop_iv_stack_push, loop_iv_stack_pop, loop_iv_stack_get_iv,
5805         loop_iv_stack_get_iv_from_name, loop_iv_stack_debug,
5806         get_old_iv_from_ssa_name): New.
5807         (new_scop): Initialize SCOP_LOOPS_MAPPING.
5808         (free_scop): Free SCOP_LOOPS_MAPPING.
5809         (scop_record_loop): Record old ivs.
5810         (create_var_name): Removed.
5811         (initialize_cloog_names): Allocate double space in case strip mine
5812         applies to all loops once.
5813         (clast_name_to_gcc): Look up in the map ivstack passed in parameter.
5814         (clast_to_gcc_expression): Same.  Implement more clast to gimple
5815         translation.
5816         (graphite_create_new_loop): Pass in ivstack.
5817         (remove_all_edges): Pass in the construction_edge.
5818         (graphite_remove_iv): Removed.
5819         (graphite_rename_ivs, graphite_rename_ivs_stmt,
5820         remove_cond_exprs): Rewritten.
5821         (move_phi_nodes): New.
5822         (disconnect_virtual_phi_nodes, disconnect_cond_expr): Removed.
5823         (translate_clast): Pass in ivstack.  Rewrite some cases.
5824         (set_cloog_options, debug_clast_stmt): New.
5825         (find_transform): Use set_cloog_options.
5826         (outermost_loop_layer): Removed.
5827         (get_construction_edge, collect_virtual_phis, find_vdef_for_var_in_bb,
5828         find_vdef_for_var_1, find_vdef_for_var, patch_phis_for_virtual_defs,
5829         mark_old_loops, remove_dead_loops): New.
5830         (gloog): Rewritten.
5831         (graphite_trans_bb_move_loop): Call swap_loop_mapped_depth.
5832         (const_column_index, get_first_matching_sign_row_index,
5833         get_lower_bound_row, get_upper_bound_row, get_lower_bound,
5834         get_upper_bound): New.
5835         (graphite_trans_bb_strip_mine): Also update the iv map.
5836
5837         * graphite.h (graphite_loops_mapping, GBB_LOOPS_MAPPING): New.
5838         (struct name_tree): Add a loop field.
5839         (struct scop): Add a graphite_loops_mapping field.
5840         (SCOP_LOOPS_MAPPING): New.
5841         (debug_clast_stmt): Declare.
5842         * lambda.h (find_induction_var_from_exit_cond): Declare.
5843         (lambda-code.c): (find_induction_var_from_exit_cond): Extern.
5844         * cfgloop.h (update_dominators_in_loop): Removed declaration.
5845         (create_empty_loop_on_edge): Updated.
5846         * tree-flow.h (remove_bb, resize_phi_node, move_phi_node,
5847         rename_variables_in_bb): Declare.
5848         * tree-cfg.c (remove_bb): Extern.
5849
5850         * gcc.dg/graphite/block-0.c: New.
5851
5852 2008-07-21  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5853             Sebastian Pop  <sebastian.pop@amd.com>
5854
5855         * graphite.c (strip_mine_profitable_p): New.
5856         (graphite_trans_bb_block): Disable strip mining if not profitable.
5857
5858         * gcc.dg/graphite/scop-18.c: New.
5859         * gcc.dg/graphite/scop-17.c: Fixed.
5860         * gcc.dg/graphite/scop-16.c: Fixed.
5861
5862 2008-07-17  Harsha Jagasia  <harsha.jagasia@amd.com>
5863             Jan Sjodin  <jan.sjodin@amd.com>
5864             Sebastian Pop  <sebastian.pop@amd.com>
5865
5866         * graphite.c (is_interchange_valid): New.
5867         (graphite_trans_bb_block): Check loop nest of basic block for legality
5868         of interchange.
5869
5870         * graphite.h (gbb_inner_most_loop_index, outer_most_loop_1,
5871         outer_most_loop, gbb_outer_most_loop_index): New.
5872
5873         * tree-loop-linear.c (perfect_loop_nest_depth): Remove static.
5874         * tree-flow.h (perfect_loop_nest_depth): Declare as extern.
5875         * gcc.dg/graphite/scop-16.c: New.
5876         * gcc.dg/graphite/scop-17.c: New.
5877
5878 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5879
5880         * graphite.c (scop_remove_ignoreable_gbbs): Also update bitmap.
5881         (graphite_trans_scop_block): Ignore SCoPs without bbs.
5882
5883 2008-07-11  Tobias Grosser  <grosser@fim.uni-passau.de>
5884
5885         * graphite.c (new_scop): Initialize SCOP_EXIT.
5886         (scopdet_info): Add.
5887         (scopdet_bb_info): Rename from is_bb_addable. Cleanup, bugfixes.
5888         (build_scops_1): Cleanup, bugfixes.
5889         (build_scops): Cleanup.
5890
5891         * gcc.dg/graphite/scop-matmult.c: Remove duplicated code.
5892         * gcc.dg/graphite/scop-15.c: Add SCoP numbers.
5893
5894 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5895
5896         * gfortran.dg/graphite/scop-1.f: Update to reduced test case.
5897
5898         * gfortran.dg/graphite/graphite.exp: Use
5899         DEFAULT_GRAPHITE_FLAGS.
5900
5901         * gcc.dg/graphite/scop-15.c: Update to reduced test case.
5902
5903 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5904
5905         * graphite.c (scan_tree_for_params): Do not assert any more if
5906         MULT_EXPR parameter is negative.
5907
5908         * gfortran.dg/graphite/scop-1.f: New.
5909
5910         * gfortran.dg/graphite/graphite.exp: New.
5911
5912         * gcc.dg/graphite/scop-15.c: New.
5913
5914 2008-07-10  Harsha Jagasia  <harsha.jagasia@amd.com>
5915
5916         * graphite.c (is_bb_addable): Fix segfault in spec gzip and reformat.
5917
5918 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5919
5920         * graphite.c (graphite_trans_bb_swap_loops): Rename from
5921         graphite_swap_loops.
5922         (graphite_trans_bb_move_loop): New.
5923         (graphite_trans_bb_strip_mine): Rename from graphite_strip_mine_loop.
5924         (graphite_trans_bb_block): New.
5925         (graphite_trans_loop_block): New.
5926         (graphite_trans_scop_swap_1and2): Rename from
5927         graphite_trans_swap_1and2.
5928         (graphite_trans_scop_strip): Rename from graphite_trans_strip.
5929         (graphite_trans_scop_block): New.
5930         (graphite_apply_transformations): Rename from
5931         graphite_transformations.
5932
5933         * gcc.dg/graphite/scop-matmult.c: New.
5934
5935 2008-07-10  Tobias Grosser  <grosser@fim.uni-passau.de>
5936
5937         * graphite.c (gbb_compare): New.
5938         (graphite_sort_gbbs): New.
5939         (gbb_can_be_ignored): New.
5940         (scop_remove_ignoreable_gbbs): New.
5941         (graphite_transformations): Cleanup and add
5942         scop_remove_ignoreable_gbbs.
5943         * lambda.h (lambda_vector_compare): New.
5944
5945 2008-07-09  Tobias Grosser  <grosser@fim.uni-passau.de>
5946
5947         * graphite.c (print_graphite_bb): Correct printing of static schedule.
5948         (graphite_swap_loops): int -> unsigned
5949         (graphite_strip_mine_loop): int -> unsigned, Fix SCHEDULE
5950         (graphite_transformations): New.
5951         (graphite_transform_loops): Move to graphite_transformations.
5952         * graphite.h (gbb_nb_loops): Return unsigned.
5953
5954 2008-07-04  Tobias Grosser  <grosser@fim.uni-passau.de>
5955
5956         * graphite.c (scan_tree_for_params): Fix insertion of parameters into
5957         the domain matrix.  This makes scop-0.c work again.
5958
5959 2008-06-20  Richard Guenther  <rguenther@suse.de>
5960
5961         * graphite.h: Adjust copyright to GPLv3.
5962         * graphite.c: Likewise.
5963         (stmt_simple_memref_for_scop_p): Split out from ...
5964         (stmt_simple_for_scop_p): ... here.  Fix handling of calls
5965         and simplify.
5966         (get_bb_type): Optimize.
5967         (is_pred): Remove.
5968         (is_bb_addable): Fix memleak, replace is_pred call with
5969         single_pred.
5970         (build_scops): Use current_loops.
5971         (param_index): Fix memleak.
5972
5973 2008-06-20  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5974
5975         * graphite.c: Fix formatting.
5976
5977 2008-06-19  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
5978
5979         * graphite.c (new_scop): Memory allocation for SCOP_{NEWIVS, OLDIVS}.
5980         (free_scop): Memory deallocation for SCOP_NEWIVS, SCOP_OLDIVS.
5981         (create_var_name, save_var_name): Newly defined functions.
5982         (initialize_cloog_names): Part of the code factored out to
5983         save_var_name.
5984         (clast_to_gcc_expression): Now handles the case of clast_red_sum
5985         in clast_reduction statement.
5986         (graphite_create_new_loop): Now takes a new parameter
5987         for outer_loop.
5988         (translate_clast): Now also takes the context_loop and bb_exit
5989         parameters. Rewritten the code so that it creates a gimple code
5990         inside the given context.
5991         (outermost_loop_layer, graphite_remove_iv, graphite_rename_ivs,
5992         remove_cond_expr, disconnect_cond_expr,
5993         disconnect_virtual_phi_nodes): Newly defined functions.
5994         * graphite.h (struct scop): added old_ivs vector.
5995         SCOP_OLDIVS: New macro.
5996
5997 2008-06-19  Sebastian Pop  <sebastian.pop@amd.com>
5998
5999         * cfgloopmanip.c: Add missing function comments, fix formatting.
6000
6001 2008-06-18  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6002
6003         * cfgloopmanip.c (update_dominators_in_loop): Defined.
6004         (create_empty_loop_on_edge): Defined.
6005         * tree-parloops.c (canonicalize_loop_ivs): Returns tree
6006         instead of void.
6007         * cfgloop.h (create_empty_loop_on_edge): Declared as extern.
6008         (update_dominators_in_loop): Declared as extern
6009         * tree-flow.h (canonicalize_loop_ivs): Declared as extern.
6010
6011 2008-06-16  Tobias Grosser  <grosser@fim.uni-passau.de>
6012
6013         * graphite.c (print_graphite_bb): Allow changing number of loops
6014         in SCoP domain.
6015         (initialize_cloog_names): Allow changing number of loops.
6016         (build_cloog_prog): Simplify.
6017         (find_transform): Enable cloog option --strides.
6018         (graphite_swap_loops): New.
6019         (graphite_strip_mine_loop): New.
6020         (graphite_trans_swap_1and2): New.
6021         (graphite_trans_strip): New.
6022         (graphite_transform_loops): Add graphite_trans_strip.
6023         * graphite.h (scop_max_loop_depth): New.
6024
6025 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6026
6027         * graphite.c (build_scop_iteration_domain): Remove forgotten
6028         line. (Fixes compile)
6029
6030 2008-06-15  Tobias Grosser  <grosser@fim.uni-passau.de>
6031
6032         * graphite.c (print_graphite_bb): Add output of GBB_LOOPS.
6033         (build_graphite_bb): Add GBB_LOOPS and GBB_DOMAIN and reorder.
6034         (build_bb_loops): New.
6035         (graphite_transform_loops): Add build_bb_loops.
6036         (schedule_to_scattering): Use gbb_nb_loops to support changing loop
6037         numbers.
6038         * graphite.h (graphite_bb): Add loops.
6039         (gbb_nb_loops): New.
6040         (gbb_loop_at_index): New.
6041         (gbb_loop_index): New.
6042         (nb_params_in_scop): Renamed to scop_nb_params. Updated all functions
6043         using nb_params_in_scop.
6044
6045 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6046
6047         * graphite.c (print_graphite_bb): Adapt to minimized schedule.
6048         (build_scop_canonical_schedules): Build minimized schedule.
6049         (schedule_to_scattering): Adapt to minimized schedule.
6050         * graphite.h (graphite_bb): Add/Update descriptions.
6051
6052 2008-06-14  Adrien Eliche  <aeliche@isty.uvsq.fr>
6053             Tobias Grosser  <grosser@fim.uni-passau.de>
6054
6055         * graphite.c (print_graphite_bb): Add condition printing.
6056         (dump_value): New.
6057         (dump_gbb_conditions): New.
6058         (build_scop_conditions_1): New.
6059         (build_scop_conditions): New.
6060         * graphite.h (graphite_bb): Add conditions.
6061
6062 2008-06-14  Tobias Grosser  <grosser@fim.uni-passau.de>
6063
6064         * graphite.c (print_graphite_bb):
6065         (free_graphite_bb): New.
6066         (free_scop): Free bbs.
6067         (get_bb_type): Free doms.
6068         (build_scop_context): Free context matrix.
6069         (build_loop_iteration_domains): Remove unused code.
6070         (build_cloog_prog): Free scattering function and blocklist.
6071         (find_transform): Free options.
6072
6073 2008-06-13  Tobias Grosser  <grosser@fim.uni-passau.de>
6074
6075         * graphite.c (loop_body_to_cloog_stmts): Rename to add_bb_domains.
6076         Remove unnecessery cloog data structures. Make a copy of the domain
6077         (setup_cloog_loop): Rename to build_loop_iteration_domains. Remove
6078         unnecessary cloog data structures. Fix memory leaks. Remove insert
6079         into SCOP_LOOP2CLOOG_LOOP as the inserted CloogLoops will never be
6080         used.
6081         (build_scop_iteration_domain): Remove unnecessary cloog
6082         data structures.  Fix memory leaks.
6083         (graphite_transform_loops): Disable build_scop_dynamic_schedules as it
6084         uses SCOP_LOOP2CLOOG_LOOP, that is at the moment not working.
6085
6086 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6087
6088         * graphite.c (find_scop_params): Remove initialize_cloog_names.
6089
6090 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6091
6092         * graphite.c (end_scop): Style fix.
6093         (schedule_to_scattering): Style and comment fix.
6094
6095 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6096         * graphite.c (print_graphite_bb): Fix definiton of
6097         schedule_to_scattering.
6098         (initialize_cloog_names): Change nb_scattdims to max loop
6099         depth in SCoP.
6100         (schedule_to_scattering): Take parameter for number of scattering
6101         dimensions.
6102         (build_cloog_prog): Only build as much scattering dimensions as
6103         necessary.
6104
6105 2008-06-12  Tobias Grosser  <grosser@fim.uni-passau.de>
6106
6107         * graphite.c (end_scop): Disable bb splitting. Fixes SIGSEGV
6108         in polyhedron/aermod.f90.
6109
6110 2008-06-11  Tobias Grosser  <grosser@fim.uni-passau.de>
6111             Dwarak Rajagopal  <dwarak.rajagopal@amd.com>
6112             Harsha Jagasia  <harsha.jagasia@amd.com>
6113
6114         * graphite.c (is_bb_addable): Fix segfault.
6115
6116 2008-06-10  Tobias Grosser  <grosser@fim.uni-passau.de>
6117
6118         * graphite.c (is_bb_addable): Fix memory leak, handling of loops
6119         with multiple exits and conditional handling in edge cases.
6120         (is_loop_exit): Fix memory leak. (Forgotten in last commit)
6121
6122         * gcc.dg/graphite/scop-14.c: New.
6123
6124 2008-06-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6125             Adrien Eliche  <aeliche@isty.uvsq.fr>
6126
6127         * graphite.c (is_bb_addable): Add more comments and enhance
6128         readablity of the source code. Fix memory leak.
6129         (is_loop_exit): Fix memory leak.
6130
6131 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6132
6133         * graphite.c (first_loop_in_scop): Deleted.
6134         (setup_cloog_loop): Only walk the loop chain for inner loops.
6135         (build_scop_iteration_domain): Execute setup_cloog_loop for
6136         all loops in the first layer.
6137
6138 2008-06-05  Tobias Grosser  <grosser@fim.uni-passau.de>
6139
6140         * graphite.c (scan_tree_for_params): Change the way params are
6141         added to be indepenent of the number of loops.
6142         (setup_cloog_loop): Revert to short matrix format. Fix parameter
6143         handling.
6144         (build_cloog_prog): Revert to short matrix format.
6145
6146 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6147             Dwarak Rajagopal <dwarak.rajagopal@amd.com>
6148
6149         * tree-loop-fusion.c (fuse_loops): Fix uninitialized variable
6150         warning.
6151
6152 2008-06-05  Sebastian Pop  <sebastian.pop@amd.com>
6153
6154         * graphite.c (nb_data_refs_in_scop): New.
6155         (graphite_transform_loops): Print more stats: number of
6156         loops, basic blocks and data references per scop.
6157
6158 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6159             Jan Sjodin  <jan.sjodin@amd.com>
6160
6161         * graphite.c (loop_affine_expr, idx_record_params,
6162         find_scop_parameters, setup_cloog_loop): Use instantiate_scev
6163         instead of instantiate_parameters.
6164
6165 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6166
6167         * graphite.c (schedule_to_scattering): Fix scattering dimensions,
6168         add support for parameters, add STATIC_SCHEDULE at the right places,
6169         cleanup.
6170
6171 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6172
6173         * graphite.c (build_scop_loop_nests): Only add the loops, that
6174         are contained completely in the SCoP.
6175         (build_cloog_prog): Disable scattering, until schedule_to_scattering
6176         and the domains are fixed.
6177         (build_scop_canonical_schedules): Add support for bbs not contained
6178         in any SCoP.
6179
6180 2008-06-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6181
6182         * graphite.h (scop_contains_loop): Update comments to match
6183         the actual behavior.
6184         (scop_contains_loop): New.
6185         * graphite.c (schedule_to_scattering): Use scop_contains_loop.
6186
6187 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6188
6189         * graphite.c (get_bb_type): On function body, i.e. loop_0,
6190         don't mark blocks as GBB_LOOP_SING_EXIT_HEADER, mark them
6191         as GBB_COND_HEADER.
6192
6193 2008-06-04  Sebastian Pop  <sebastian.pop@amd.com>
6194             Tobias Grosser  <grosser@fim.uni-passau.de>
6195
6196         * graphite.c (graphite_transform_loops): Early return when
6197         there are no loops in the function.
6198
6199 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6200             Jan Sjodin  <jan.sjodin@amd.com>
6201
6202         * graphite.c (scan_tree_for_params, setup_cloog_loop): Compute the
6203         offset of the last loop.
6204         (setup_cloog_loop): Copy the entire outer constraint matrix.
6205
6206 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6207             Jan Sjodin  <jan.sjodin@amd.com>
6208
6209         * graphite.c (stmt_in_scop_p, function_parameter_p,
6210         invariant_in_scop_p): Removed.
6211         (scan_tree_for_params): Can be used with no constraint
6212         matrix for gathering parameters.
6213         (idx_record_params): Don't use idx_record_param, instead use
6214         scan_tree_for_params.
6215         (find_scop_parameters): Same.
6216         (setup_cloog_loop, build_scop_iteration_domain, build_cloog_prog):
6217         Fix the size of loop domains.
6218         (schedule_to_scattering): Exit when the outer loop is not in scop.
6219         (find_transform): Enable build_cloog_prog.
6220
6221 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6222             Jan Sjodin  <jan.sjodin@amd.com>
6223
6224         * graphite.c (schedule_to_scattering): Make scattering domains
6225         uniformly of the same size, as required by CLooG 0.14.0 and before.
6226
6227 2008-05-31  Sebastian Pop  <sebastian.pop@amd.com>
6228             Jan Sjodin  <jan.sjodin@amd.com>
6229
6230         * graphite.c (schedule_to_scattering): Rewrite, correct the
6231         translation of the scheduling function to scattering.
6232         (build_cloog_prog): Call schedule_to_scattering only once.
6233         * graphite.h (scop_loop_index): Do not fail for loops not
6234         in the scop: return -1.
6235
6236 2008-05-30 Tobias Grosser  <grosser@fim.uni-passau.de>
6237
6238         * graphite.c (build_graphite_bb): Initialize GBB_DOMAIN.
6239         (loop_body_to_cloog_stmts): Export GBB_DOMAIN.
6240         (setup_cloog_loop): Export GBB_DOMAIN.
6241         (build_cloog_prog): New.  Create new CLOOG_PROG, which should be
6242         able to rebuild the original control flow.
6243         * graphite.h (graphite_bb): Add domain field and access macro.
6244         (GBB_DOMAIN): New.
6245
6246 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6247
6248         * graphite.c (debug_gbb): New.
6249         (print_scop, build_graphite_bb): Use SCOP_BBS.
6250         (build_scop_bbs): Reimplemented.
6251         (dfs_bb_in_scop_p): Removed.
6252         (build_scop_loop_nests): Reorder loops inserted in
6253         SCOP_LOOP_NEST: outer loops should come first.
6254         (build_scop_canonical_schedules): Reinitialize at zero
6255         the components of the SCOP_STATIC_SCHEDULE for the loops
6256         that have already been parsed.
6257
6258         * graphite.h (debug_gbb): Declared.
6259
6260 2008-05-30  Sebastian Pop  <sebastian.pop@amd.com>
6261             Jan Sjodin  <jan.sjodin@amd.com>
6262
6263         * graphite.c (create_empty_loop): Renamed graphite_create_new_loop.
6264         (graphite_loop_to_gcc_loop): Removed.
6265         (remove_all_edges): New.
6266         (graphite_stmt_to_gcc_stmt): Renamed translate_clast.
6267         (gloog): Remove useless code.
6268
6269 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6270
6271         * graphite.c (get_bb_type): Reworked. We distinguish between
6272         loops with one or multiple exits.
6273         (is_loop_exit): New.
6274         (is_pred): New.
6275         (is_bb_addable): Rework condition handling, now support for case
6276         case statements and loops with multiple exits.
6277
6278         * gcc.dg/graphite/scop-11.c: New.
6279         * gcc.dg/graphite/scop-12.c: New.
6280         * gcc.dg/graphite/scop-13.c: New.
6281
6282 2008-05-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6283
6284         * graphite.c (dot_all_scops_1): Fix some colors. Reuse colors, if
6285         we have too many colors.
6286
6287 2008-05-22  Sandeep Maram <smaram_b04@iiita.ac.in>
6288
6289         * doc/invoke.texi (-ftree-loop-fusion): Document.
6290         * tree-pass.h (pass_loop_fusion): Declared.
6291         * tree-loop-fusion.c: New.
6292         * timevar.def (TV_TREE_LOOP_FUSION): Declared.
6293         * tree-data-ref.c (find_data_references_in_loop): Make extern.
6294         * tree-data-ref.h (find_data_references_in_loop): Declared.
6295         * common.opt (ftree-loop-fusion): Declared.
6296         * Makefile.in (tree-loop-fusion.o): Added rule and to OBJS-common.
6297
6298 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
6299
6300         * graphite.c (build_access_matrix): Fix typo from the merge.
6301
6302 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
6303
6304         * Merge from mainline (130800:135673).
6305
6306 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6307
6308         * graphite.c (end_scop): The exit of the scop is not part of the scop.
6309         Update dominators after splitting.
6310
6311 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6312
6313         * graphite.c (is_bb_addable): Return the harmful statement.
6314         Factor up some code.
6315         (end_scop): New.  Splits end of scope bbs on a harmful statement.
6316         (build_scops_1): Call end_scop.
6317
6318 2008-05-07  Sebastian Pop  <sebastian.pop@amd.com>
6319
6320         * graphite.c: (succs_at_same_depth, end_scop, all_preds_visited_p,
6321         all_succs_visited_p, start_new_scop_for_each_succ, start_new_scop,
6322         add_dominators_to_open_scops, stop_last_open_scop, scop_end_loop,
6323         build_scops_1): Removed.
6324         (build_scops_2): Renamed build_scops_1.
6325
6326 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6327
6328         * graphite.c: Fix formatting.
6329
6330 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6331
6332         * graphite.c (get_bb_type): New.
6333         (move_scops): New.
6334         (build_scops_2): New.
6335         (is_bb_addable): New.
6336         (build_scops): Switch the scop detection.
6337         (build_scop_bbs): Add entry bb to scop.
6338         * graphite.h (struct scop): Update comment.
6339
6340 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6341
6342         * graphite.c (dot_all_scops_1): Fix some incorrect colors and add
6343         more colors.
6344
6345 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6346
6347         * gcc.dg/graphite/scop-1.c: Update.
6348         * gcc.dg/graphite/scop-2.c: Update.
6349         * gcc.dg/graphite/scop-4.c: Update.
6350         * gcc.dg/graphite/scop-5.c: Add.
6351         * gcc.dg/graphite/scop-6.c: Add.
6352
6353 2008-05-06  Sebastian Pop  <sebastian.pop@amd.com>
6354
6355         * gcc.dg/graphite/scop-0.c: Add.
6356         * gcc.dg/graphite/scop-7.c: Add.
6357         * gcc.dg/graphite/scop-8.c: Add.
6358         * gcc.dg/graphite/scop-9.c: Add.
6359         * gcc.dg/graphite/scop-10.c: Add.
6360
6361 2008-05-06  Tobias Grosser  <grosser@fim.uni-passau.de>
6362
6363         * graphite.c (scop_affine_expr): Renamed to loop_affine_expr.
6364         Check affine expressions depending on the outermost loop
6365         instead of a scop.
6366         (stmt_simple_for_scop_p): Same.
6367         (harmfule_stmt_in_scop): Same.
6368
6369 2008-04-28  Tobias Grosser  <grosser@fim.uni-passau.de>
6370
6371         * graphite.c (dot_all_scops): Remove incorrect difficult bb coloring,
6372         mark entry and exit, that are not part of the SCoP and update HTML
6373         formatting.
6374
6375 2008-04-25  Sebastian Pop  <sebastian.pop@amd.com>
6376
6377         * graphite.c (basic_block_simple_for_scop_p): Renamed
6378         harmful_stmt_in_bb.
6379         (save_scop, preds_at_same_depth, test_for_scop_bound): Removed.
6380         (add_dominators_to_open_scops, build_scops_1): Reimplemented.
6381         (all_preds_visited_p, all_succs_visited_p,
6382         start_new_scop_for_each_succ, start_new_scop, stop_last_open_scop,
6383         scop_end_loop): New.
6384         (build_scops): Do not use dfs_enumerate_from.
6385
6386         * gcc.dg/graphite/scop-{1,2,4}.c: Updated.
6387
6388 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6389
6390         * graphite.c: Add comments to functions that are missing a
6391         description.
6392         (graphite_create_iv): Removed.  Merged in graphite_loop_to_gcc_loop.
6393
6394 2008-04-23  Sebastian Pop  <sebastian.pop@amd.com>
6395
6396         * graphite.c (nb_params_in_scop): Moved...
6397         (graphite_bb_from_bb, loop_body_to_cloog_stmts): New.
6398         (setup_cloog_loop): Call loop_body_to_cloog_stmts.
6399         (clast_to_gcc_expression): Reduce column size to less than 80.
6400         (graphite_create_iv): Return the new name of the IV.
6401         (find_transform): Set options->esp and options->cpp.
6402         (gloog): Comment out the invalidation of the old loop code.
6403         (initialize_dependence_polyhedron): Replace scop_nb_params with
6404         nb_params_in_scop.
6405
6406         * graphite.h (nb_params_in_scop): ... here.
6407         (scop_nb_params): Removed.
6408         (loop_domain_dim): Return something even when the loop was not
6409         found in the hash table: avoid ICEing on all the graphite.exp
6410         testcases.
6411
6412 2008-04-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6413
6414         * tree-chrec.c (for_each_scev_op): SCEV can have 3 operands.
6415
6416         * graphite.c (build_scop_dynamic_schedules): Schedule is built
6417         according to nesting level.
6418         (find_scop_parameters): Call instantiate_parameters.
6419         (scan_tree_for_params): Extend it to handle general affine bounds.
6420         Inner loop bound can depend on outer loop induction variable.
6421         (setup_cloog_loop): tmp variable is allocated on stack. Call
6422         instantiate_parameters with respect to outermost_loop_in_scop.
6423         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): moved to
6424         graphite.h.
6425         (create_empty_loop): Function loopify should be given edge
6426         probability, instead of edge frequency. Dominance relation from
6427         switch_bb to loop_header.
6428         (clast_to_gcc_expression): Added handling of clast_reduction node.
6429         (gloog): New functionality for removing old loop.
6430         (test_dependence): Factored out from build_rdg_all_levels.
6431         (build_rdg_all_levels): Dependence testing factored out to
6432         test_dependence function.
6433
6434         * graphite.h (struct graphite_bb): Extended with dynamic_schedule.
6435         (loop_domain_dim, ref_nb_loops, loop_iteration_vector_dim): Moved
6436         from graphite.c
6437
6438 2008-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6439
6440         * graphite.c (free_scop, param_index, initialize_cloog_names,
6441         nb_params_in_scop): Use name_tree map instead of just a tree
6442         for keeping track of the variable name associated to that tree.
6443         (create_empty_loop, gmp_cst_to_tree, clast_name_to_gcc,
6444         clast_to_gcc_expression, graphite_create_iv,
6445         graphite_loop_to_gcc_loop, graphite_cond_to_gcc_cond,
6446         graphite_stmt_to_gcc_stmt): New.
6447         (gloog): Call these.
6448         * graphite.h (struct name_tree): New.
6449         (struct scop): Use name_tree instead of tree for params.
6450         Store a vector of name_tree for new_ivs.
6451         (SCOP_NEWIVS): New.
6452         (scop_nb_params): Use name_tree instead of tree.
6453
6454 2008-04-05  Alexander Lamaison  <awl03@doc.ic.ac.uk>
6455             Sebastian Pop  <sebastian.pop@amd.com>
6456
6457         * tree-bounds.c: New.
6458         * tree-bounds.h: New.
6459         * tree-pass.h: Declare pass_bounds_early and pass_bounds_late.
6460         * passes.c: Schedule pass_bounds_early, pass_bounds_late.
6461         * builtins.c (expand_builtin_alloca): Add flag_bounds as for
6462         flag_mudflap.
6463         * gcc.c: Same.
6464         * toplev.c: Same.
6465         * c-cppbuiltin.c: Same.
6466         * c-pragma.c: Same.
6467         * common.opt: Same.
6468         * varasm.c: Same.
6469         * tree-outof-ssa.c: Same.
6470         * c-common.c: Same.
6471         * Makefile.in: Same.
6472
6473 2008-03-15  Antoniu Pop  <antoniu.pop@gmail.com>
6474             Sebastian Pop  <sebastian.pop@amd.com>
6475
6476         * tree-loop-distribution.c (remaining_stmts,
6477         upstream_mem_writes): Removed static variables.
6478         (copy_loop_before, create_bb_after_loop,
6479         mark_nodes_having_upstream_mem_writes, free_rdg_components,
6480         rdg_build_components, rdg_build_partitions,
6481         dump_rdg_partitions): Extern.
6482         (generate_loops_for_partition, generate_code_for_partition): Do not
6483         return a bool.
6484         (already_processed_vertex_p, predecessor_has_mem_write,
6485         mark_nodes_having_upstream_mem_writes, has_upstream_mem_writes,
6486         rdg_flag_all_uses, rdg_flag_uses, rdg_flag_vertex_and_dependent,
6487         rdg_flag_loop_exits, rdg_flag_similar_memory_accesses,
6488         build_rdg_partition_for_component, rdg_build_partitions, ldist_gen):
6489         Pass remaining_stmts and upstream_mem_writes as parameters.
6490         (rdg_component): Moved...
6491         (build_rdg_partition_for_component): Do not aggregate components when
6492         flag_streamize_loops is set.
6493         (gen_sequential_loops): New.
6494         (ldist_gen): Call gen_sequential_loops.
6495
6496         * tree-pass.h (pass_loop_streamization): Declared.
6497
6498         * omp-low.c (expand_omp_sections): Call add_bb_to_loop on created
6499         basic blocks when loops structures exist.
6500
6501         * builtin-types.def (BT_FN_VOID_PTR_PTR_INT): New.
6502
6503         * tree-ssa-loop-ivopts.c (expr_invariant_in_region_p): New.
6504
6505         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6506         eliminate_local_variables_stmt, eliminate_local_variables,
6507         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6508         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6509         of code delimited by two edges in the CFG.
6510         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6511         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6512         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
6513         the case of parallelisation of reductions.
6514         (create_loop_fn): Extern.
6515         (create_omp_parallel_region): New.
6516
6517         * tree-data-ref.c (dump_data_dependence_relation): Don't call
6518         dump_data_reference for printing dra and drb.
6519         (create_rdg_edge_for_ddr, create_rdg_edges_for_scalar): Initialise
6520         RDGE_RELATION.
6521         (build_rdg): Don't call free_dependence_relations for the moment, as
6522         we attach dependence relations on each edge of the RDG.
6523         To be fixed later.
6524
6525         * tree-data-ref.h (rdg_component): ...here.
6526         (struct rdg_edge): New field ddr_p relation.
6527         (RDGE_RELATION): New.
6528         (create_bb_after_loop, copy_loop_before,
6529         mark_nodes_having_upstream_mem_writes, rdg_build_components,
6530         rdg_build_partitions, dump_rdg_partitions,
6531         free_rdg_components): Declared.
6532
6533         * omp-builtins.def (BUILT_IN_GOMP_STREAM_ALIGN_PUSH,
6534         BUILT_IN_GOMP_STREAM_ALIGN_POP): New.
6535
6536         * tree-loop-streamization.c: New.
6537
6538         * tree-flow.h (gather_blocks_in_sese_region, create_loop_fn,
6539         create_omp_parallel_region, expr_invariant_in_region_p): Declared.
6540
6541         * Makefile.in (tree-loop-streamization.o): Added to OBJS-common.
6542
6543         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6544
6545         * passes.c: Schedule pass_loop_streamization.
6546
6547 2008-03-08  Tobias Grosser  <grosser@fmi.uni-passau.de>
6548
6549         * graphite.c (dot_all_scops_1): Fix formatting for difficult bbs and
6550         update comment.
6551
6552 2008-03-07  Tobias Grosser  <grosser@fim.uni-passau.de>
6553
6554         * graphite.c (dot_all_scops): Update formatting.
6555         Bbs can now be part of more than one SCoP.
6556
6557 2008-03-04  Sebastian Pop  <sebastian.pop@amd.com>
6558
6559         * graphite.c (new_loop_to_cloog_loop_str, setup_cloog_loop): Fix
6560         malloc problems.
6561         (loop_domain_dim): Check for unregistered toplev SCOP loop.
6562         * graphite.h (loop_to_cloog_loop): New.
6563
6564 2008-03-04  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6565
6566         * graphite.c (loop_domain_dim, ref_nb_loops,
6567         loop_iteration_vector_dim): New.
6568         (build_access_matrix_with_af, build_access_matrix,
6569         initialize_dependence_polyhedron): Fixed for new matrix layout.
6570         No longer assume that all iteration domains are of the same
6571         dimensionality.
6572
6573 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6574
6575         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6576         defined in a loop at depth 0 is invariant.
6577         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6578         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6579         be called at loop depth 0.
6580
6581         * graphite.c (basic_block_simple_for_scop_p): Take the scop as
6582         a parameter.
6583         (dot_all_scops_1): Update use of basic_block_simple_for_scop_p.
6584         (down_open_scop): Removed.
6585         (loop_in_scop_p): Redefined.
6586         (scop_affine_expr): New argument: scop.
6587         (stmt_simple_for_scop_p): New argument: scop.  RETURN_EXPR is not
6588         a harmful statement ending a scop.
6589         (basic_block_simple_for_scop_p): New argument: scop.
6590         (get_loop_start): Removed.
6591         (new_scop): Initialize SCOP_LOOPS.
6592         (free_scop): Free SCOP_LOOPS.
6593         (succs_at_same_depth, preds_at_same_depth): New.
6594         (end_scop): Test the validity of a scop.
6595         (add_dominators_to_open_scops): New.
6596         (test_for_scop_bound): Call add_dominators_to_open_scops.
6597         Add cases for opening and closing multiple scops.
6598         (build_scops, build_scop_bbs): Iterate over basic blocks in
6599         depth first order.
6600         (build_graphite_bb): Pass scop directly.
6601         (dfs_bb_in_scop_p): New.
6602         (scop_record_loop): Use SCOP_LOOPS for not recording the same loop
6603         several times.
6604         (nb_loops_around_gb): Use loop_in_scop_p.
6605         (schedule_to_scattering): Disabled for the moment the code computing
6606         the "textual order for outer loop".
6607
6608         * graphite.h (struct scop): New field loops.
6609         (SCOP_LOOPS): New.
6610         (scop_loop_index): Test that the given loop belongs to SCOP_LOOPS.
6611
6612         * gcc.dg/graphite/scop-{1,...,7}.c: Updated.
6613
6614 2008-02-27  Antoniu Pop  <antoniu.pop@gmail.com>
6615             Sebastian Pop  <sebastian.pop@amd.com>
6616
6617         * builtin-types.def (BT_FN_PTR_SIZE_UINT, BT_FN_BOOL_PTR): New.
6618         * common.opt (fstreamize-loops): New.
6619         * omp-builtins.def (BUILT_IN_GOMP_STREAM_CREATE,
6620         BUILT_IN_GOMP_STREAM_PUSH, BUILT_IN_GOMP_STREAM_HEAD,
6621         BUILT_IN_GOMP_STREAM_POP, BUILT_IN_GOMP_STREAM_EOS_P,
6622         BUILT_IN_GOMP_STREAM_SET_EOS, BUILT_IN_GOMP_STREAM_DESTROY): New.
6623
6624 2008-02-22  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6625
6626         * tree-data-ref.c (build_empty_rdg): New.
6627         (build_rdg): Use it.
6628         * tree-data-ref.h (build_empty_rdg): Declared.
6629         * graphite.c (free_scop): Free SCOP_LOOP2CLOOG_LOOP.
6630         (find_vertex_for_stmt): Removed.
6631         (build_rdg_all_levels): Use build_empty_rdg and rdg_vertex_for_stmt.
6632
6633 2008-02-21  Sebastian Pop  <sebastian.pop@amd.com>
6634
6635         * tree-loop-distribution.c (generate_builtin): After cancelling the
6636         loop tree, also delete basic blocks.
6637         (rdg_flag_uses): Stop recursion when a vertex has already been
6638         processed.
6639
6640 2008-02-15  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6641
6642         * graphite.c (build_scop_alpha): Removed.
6643         (graphite_transform_loops): Add a dummy call to build_all_rdg_levels
6644         and dump_dependence_graph to avoid compiler warnings.
6645
6646 2008-02-14  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6647
6648         * tree-data-ref.c (dr_may_alias_p, create_rdg_vertices): Extern.
6649         * tree-data-ref.h (dr_may_alias_p, create_rdg_vertices): Declared.
6650         * graphite.c (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6651         eq_loop_to_cloog_loop, del_loop_to_cloog_loop): New.
6652         (new_scop, setup_cloog_loop): Initialize SCOP_LOOP2CLOOG_LOOP.
6653         (initialize_dependence_polyhedron, find_vertex_for_stmt,
6654         initialize_data_dependence_polyhedron, is_empty_polyhedron,
6655         statement_precedes_p, build_rdg_all_levels, build_scop_alpha,
6656         dump_dependence_graph): New.
6657         * graphite.h (struct graphite_bb): New field compressed_alpha_matrix.
6658         (GBB_ALPHA): New.
6659         (struct scop): New field loop2cloog_loop.
6660         (SCOP_LOOP2CLOOG_LOOP, struct data_dependence_polyhedron,
6661         RDGE_DDP, ddp_p, struct loop_to_cloog_loop_str): New.
6662
6663 2008-02-10  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6664
6665         * graphite.c (build_graphite_bb): Fix initialization
6666         of the graphite basic block.
6667
6668 2008-02-05  Sebastian Pop  <sebastian.pop@amd.com>
6669
6670         * graphite.c (scan_tree_for_params): Rewrite for the new layout of
6671         loop domain matrix.  Pass in the number of loops contained in the
6672         constraint matrix.
6673         (nb_loops_around_gb): Moved before setup_cloog_loop that uses it.
6674         (setup_cloog_loop): Rewrite for the new layout of loop domain matrix:
6675         loops that are not surrounding the current loop are not represented
6676         in the domain constraint matrix.
6677         (build_scop_iteration_domain): Initial domain constraint matrix
6678         contains only the eq/ineq, cst, and scop parameters columns.
6679
6680 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6681
6682         * graphite.c (schedule_to_scattering, nb_loops_around_gb): New.
6683         (print_graphite_bb): Print scattering.
6684
6685 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6686
6687         * graphite.c (initialize_cloog_names): Initialize names of
6688         scattering variables.
6689
6690 2009-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6691
6692         * graphite.c (dot_all_scops_1): Disable debug output while
6693         printing graph.
6694
6695 2008-01-29  Tobias Grosser  <grosser@fim.uni-passau.de>
6696
6697         * graphite.c (find_transform): Change cloog output language to C.
6698
6699 2008-01-27  Sebastian Pop  <sebastian.pop@amd.com>
6700
6701         * tree-loop-distribution.c (generate_memset_zero,
6702         generate_builtin, generate_code_for_partition,
6703         rdg_flag_all_uses): New.
6704         (rdg_flag_uses): Gather in the same partition the statements defining
6705         the VUSES of the current statement.
6706         (rdg_flag_similar_stores): Renamed rdg_flag_similar_memory_accesses.
6707         Gather in the same partition not only the stores to the same memory
6708         access, but also the reads.
6709         (ldist_generate_loops): Renamed ldist_gen.
6710
6711 2008-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6712             Tobias Grosser  <grosser@fmi.uni-passau.de>
6713
6714         * graphite.c (setup_cloog_loop): Chain all cloog loops with the
6715         next pointer, don't use the inner pointer.
6716
6717 2008-01-20  Tobias Grosser  <grosser@fmi.uni-passau.de>
6718
6719         * graphite.c (dot_all_scops, dot_all_scops_1): New.
6720         (find_transform): Call dot_all_1.
6721         * graphite.h (dot_all_scops): Declared.
6722
6723 2007-12-14  Sebastian Pop  <sebastian.pop@amd.com>
6724
6725         * tree-loop-distribution.c: Fix apsi.f ICE.
6726         (create_bb_after_loop): New.
6727         (generate_loops_for_partition): Use it.
6728         * gfortran.dg/ldist-1.f90: New.
6729
6730         * tree-data-ref.c (dot_rdg): Use /tmp/rdg.dot for dotty format.
6731         * graphite.c (dot_scop): Use /tmp/scop.dot for dotty format.
6732
6733 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6734
6735         * graphite.c (find_transform): Dump cloog program sent to cloog.
6736
6737 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6738
6739         * graphite.c (initialize_cloog_names): Initialize cloog
6740         iterator names.
6741
6742 2007-12-13  Tobias Grosser  <grosser@fmi.uni-passau.de>
6743
6744         * graphite.c (build_scop_context): Fix typo, for the matrix
6745         format: insert '0 >= 0' instead of '-1 >= 0'.
6746
6747 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6748
6749         * Fix merge problems.
6750
6751 2007-12-13  Sebastian Pop  <sebastian.pop@amd.com>
6752
6753         * graphite.c (setup_cloog_loop): Fix typo.
6754
6755 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6756
6757         * doc/invoke.texi (-ftree-loop-distribution): Documented.
6758         * tree-loop-distribution.c: Reimplemented.
6759         * tree-pass.h (pass_loop_distribution): New.
6760         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Use
6761         print_loops.
6762         * graphds.h (struct graph): New field indexes.
6763         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6764
6765         * tree-vect-analyze.c: Remove declaration of static functions when not
6766         needed.
6767         * tree-vectorizer.c: Same.
6768         (rename_variables_in_loop): Now extern.
6769         (slpeel_tree_duplicate_loop_to_edge_cfg): Renamed
6770         tree_duplicate_loop_to_edge_cfg.  Reset PENDING_STMT for edges after
6771         calling redirect_edge_and_branch_force.
6772
6773         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6774
6775         * tree-data-ref.c: Don't include tree-chrec.h.
6776         (debug_data_dependence_relations): New.
6777         (dump_data_dependence_relation): Call dump_data_reference on data refs
6778         in the relation.
6779         (same_access_functions): Moved...
6780         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6781         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6782         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6783         struct rdg_vertex_info, ): New.
6784         (create_rdg_edge_for_ddr): Compute the dependence level before looking
6785         at DDR_REVERSED_P.
6786         (create_rdg_vertices): Initialize the htab of graph->indexes.
6787         Initialize RDG_MEM_WRITE_STMT and RDG_MEM_READS_STMT.
6788         (stmts_from_loop): Don't save LABEL_EXPR.
6789         (hash_stmt_vertex_info, eq_stmt_vertex_info,
6790         hash_stmt_vertex_del): New.
6791         (build_rdg): Initialize rdg->indexes.
6792         (free_rdg, stores_from_loop, ref_base_address,
6793         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6794         have_similar_memory_accesses_1, ref_base_address_1,
6795         remove_similar_memory_refs): New.
6796
6797         * tree-data-ref.h: Include tree-chrec.h.
6798         (debug_data_dependence_relations): Declared.
6799         (same_access_functions): ...here.  Now static inline.
6800         (ddr_is_anti_dependent, ddrs_have_anti_deps,
6801         ddr_dependence_level): New.
6802         (struct rdg_vertex): New fields has_mem_write, has_mem_reads.
6803         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT, RDG_MEM_WRITE_STMT,
6804         RDG_MEM_READS_STMT): New.
6805         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6806         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6807         rdg_vertex_for_stmt): Declared.
6808         (struct rdg_edge): New field level.
6809         (RDGE_LEVEL, free_rdg): New.
6810         (stores_from_loop, remove_similar_memory_refs,
6811         rdg_defs_used_in_other_loops_p,
6812         have_similar_memory_accesses): Declared.
6813         (rdg_has_similar_memory_accesses): New.
6814
6815         * lambda.h (dependence_level): New.
6816         * common.opt (ftree-loop-distribution): New.
6817         * tree-flow.h (debug_loop_ir): Renamed debug_loops.
6818         (print_loop_ir): Renamed print_loops.
6819         (debug_loop, debug_loop_num, print_loops_bb, mark_virtual_ops_in_bb,
6820         tree_duplicate_loop_to_edge_cfg, rename_variables_in_loop): Declared.
6821         * Makefile.in (TREE_DATA_REF_H): Depends on tree-chrec.h.
6822         (tree-loop-distribution.o): Added.
6823         * tree-cfg.c (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6824         (mark_virtual_ops_in_bb): New.
6825         (print_loops_bb, debug_loop_num, debug_loop): New.
6826         * passes.c: Scheduled pass_loop_distribution.
6827
6828 2007-12-12  Konrad Trifunovic  <konrad.trifunovic@inria.fr>
6829
6830         * graphite.c (scan_tree_for_params): Correct the number of columns
6831         for polylib format.
6832         (nb_flat_iterator): New.
6833         (setup_cloog_loop): Initialize to 1 the first column for inequalities.
6834         (build_scop_iteration_domain): Correct the number of columns for
6835         polylib format.
6836
6837 2007-12-12  Sebastian Pop  <sebastian.pop@amd.com>
6838
6839         * Merge from mainline (129697:130800).
6840
6841 2007-10-30  Sebastian Pop  <sebastian.pop@amd.com>
6842
6843         * graphite.c (build_graphite_bb): SCoP's basic blocks are post
6844         dominated by SCoP's exit.
6845         (graphite_transform_loops): Compute post dominators.
6846
6847 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6848
6849         * Merge from mainline (127169:129697).
6850
6851 2007-10-28  Sebastian Pop  <sebastian.pop@amd.com>
6852
6853         * graphite.c (affine_expr): Renamed scop_affine_expr.  Use an extra
6854         parameter for the basic block that contains the expression.  Use
6855         outermost_loop_in_scop for evolution_function_is_affine_multivariate_p.
6856         (stmt_simple_for_scop_p): Pass to scop_affine_expr the basic block of
6857         the expression.
6858         * graphite.h (gbb_loop): New.
6859         (GBB_LOOP): Removed.
6860
6861 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6862
6863         * Makefile.in: Fix merge problem.
6864
6865 2007-08-03  Sebastian Pop  <sebpop@gmail.com>
6866
6867         * Merge from mainline (125309:127169).
6868         * tree-loop-distribution.c: Disabled.
6869
6870 2007-06-05  Sebastian Pop  <sebpop@gmail.com>
6871
6872         * Merge from mainline (r123693:125309).
6873
6874 2007-05-30  Sebastian Pop  <sebpop@gmail.com>
6875
6876         * tree-loop-distribution.c (correct_modify_expr_p): Renamed
6877         correct_modify_p
6878         (correct_modify_p, check_statements, number_of_lvalue_uses,
6879         number_of_scalar_dependences, create_edges): Use GIMPLE_MODIFY_STMT
6880         instead of MODIFY_EXPR.
6881         (update_edge_with_ddv): Don't pass index_of_edge.  Initialize
6882         and push new edges.
6883
6884 2007-05-24  Sebastian Pop  <sebpop@gmail.com>
6885
6886         * tree-loop-distribution.c (struct rdg): Replace arrays by
6887         VECs for edges and vertices.
6888         (RDG_NBV, RDG_NBE, RDG_VERTEX, RDG_EDGE): Removed.
6889         (RDGV_NB_PARTITIONS): New.
6890         (PRDG_NBV, PRDG_NBE): Removed.
6891         (build_scc_graph, correct_partitions_p, mark_partitions, build_prdg,
6892         dump_rdg, find_vertex_with_stmt, create_vertices, free_rdg,
6893         number_of_scalar_dependences, create_edges, build_rdg): Use VECs.
6894
6895 2007-05-17  Georges-Andre Silber  <silber@cri.ensmp.fr>
6896             Sebastian Pop  <sebpop@gmail.com>
6897
6898         * doc/invoke.texi (-ftree-loop-distribution): Document.
6899         * tree-loop-distribution.c: New file.
6900         * tree-pass.h (pass_loop_distribution): Declared.
6901         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6902         * tree-data-ref.c (initialize_data_dependence_relation): Initialize
6903         and set reversed_p.
6904         * tree-data-ref.h (data_dependence_relation): Add reversed_p.
6905         (DDR_REVERSED_P): New.
6906         * common.opt (-ftree-loop-distribution): New.
6907         * tree-flow.h (distribute_loops): Declared.
6908         * Makefile.in (OBJS-common): Depend on tree-loop-distribution.o.
6909         * passes.c (init_optimization_passes): Schedule loop distribution.
6910
6911 2007-05-12  Sebastian Pop  <sebastian.pop@inria.fr>
6912
6913         * graphite.c (print_graphite_bb): Don't call dump_data_references.
6914         (print_scop): Don't print when scop is NULL.
6915         (build_scop_context, find_transform): Don't output to stderr.
6916
6917 2007-05-09  Sebastian Pop  <sebastian.pop@inria.fr>
6918
6919         * tree-data-ref.c: Don't include graphite.h.
6920         Comment out the code for printing data reference's scop.
6921         (build_access_matrix_with_af): Moved...
6922         * tree-data-ref.h (build_access_matrix_with_af): Removed declaration.
6923         * graphite.c (build_access_matrix_with_af): ... here.  Now static.
6924         (print_graphite_bb): Print basic block's schedule.
6925         (print_scop): Don't print the schedule, call cloog's pretty printer.
6926         (bb_in_scop_p): A basic block is in a scop only if it is both
6927         dominated and postdominated by the scop's entry and exit basic blocks.
6928         (function_parameter_p): New.
6929         (invariant_in_scop_p): Use function_parameter_p.
6930         (new_scop, save_scop): New.
6931         (end_scop, test_for_scop_bound, build_scops): Use new_scop, and
6932         save_scop.
6933         (scan_tree_for_params): Directly build the constraint as CloogMatrix.
6934         (loop_in_scop_p): New.
6935         (scop_record_loop): Use loop_in_scop_p.
6936         (build_scop_domain): Renamed build_scop_iteration_domain.
6937         (setup_cloog_loop, initialize_cloog_names, find_scop_parameters,
6938         nb_params_in_scop, build_scop_context, first_loop_in_scop,
6939         setup_cloog_loop, dot_scop_1, dot_scop): New.
6940         * graphite.h (GBB_LOOP, SCOP_PROG, dot_scop): New.
6941         (struct scop): Add a pointer to cloog's representation of a program.
6942
6943 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6944
6945         * doc/invoke.texi (-ftree-check-verbose): Renamed
6946         -ftree-checks-verbose.
6947         * common.opt (flag_tree_check_verbose): Renamed
6948         flag_tree_checks_verbose.
6949         * tree-check.c (tree_check_warning): Use flag_tree_checks_verbose.
6950
6951 2007-04-14  Sebastian Pop  <sebastian.pop@inria.fr>
6952
6953         * configure: Regenerated.
6954         * config.in: Regenerated.
6955         * tree-ssa-loop.c (graphite_transforms): Execute
6956         graphite_transform_loops only when HAVE_cloog.
6957         * configure.ac (HAVE_polylib, HAVE_cloog, GRAPHITE): Defined.
6958         * graphite.c: Include polylibgmp.h and cloog.h.
6959         (graphite_transform_loops): Removed loops parameter.
6960         * tree-flow.h (graphite_transform_loops): Update declaration.
6961         * Makefile.in (POLYLIBLIBS, POLYLIBINC, CLOOGLIBS, CLOOGINC): New.
6962         (LIBS): Depend on CLOOGLIBS and on POLYLIBLIBS.
6963         (INCLUDES): Depend on POLYLIBINC and on CLOOGINC.
6964         (OBJS-common): Remove dependence on graphite.o.
6965         (BACKEND): Depend on @GRAPHITE@.
6966
6967 2007-04-13  Sebastian Pop  <sebastian.pop@inria.fr>
6968
6969         * doc/invoke.texi (-ftree-check-verbose): Documented.
6970         * gcc.dg/tree-checker/tree-checks-1.c: New.
6971         * gcc.dg/tree-checker/tree-checks-2.c: New.
6972         * gcc.dg/tree-checker/tree-checks-3.c: New.
6973         * gcc.dg/tree-checker/tree-checks-4.c: New.
6974         * gcc.dg/tree-checker/tree-checks.exp: New.
6975         * gcc.dg/tree-checker/condates.crp: New.
6976         * common.opt (ftree-checks-verbose): New.
6977         * tree-check.c (tree_check_warning): Move extra stderr output
6978         under control of flag_tree_check_verbose.
6979
6980 2007-04-12  Sebastian Pop  <sebastian.pop@inria.fr>
6981
6982         * tree-match.c: Fix comments formatting.
6983         * tree-match.h: Fix comments formatting.
6984         * tree-check.c: Fix comments formatting.
6985         (tree_check_init): Restructure.
6986
6987 2007-04-12  Nic Volanschi  <nic.volanschi@free.fr>
6988
6989         * doc/invoke.texi (-ftree-check, -ftree-checks): Documented.
6990
6991 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
6992
6993         * Merge from mainline (r120733:123693).
6994
6995 2007-03-20  Nic Volanschi  <nic.volanschi@free.fr>
6996
6997         * condate.y: New file.
6998         * tree-match.h (struct patt_info_s): New field sign.
6999         (struct condate_s): New field msg.
7000         (normalize_condate, name_condate, add_condate): New.
7001         (conds[], condate_parse): Made extern.
7002         * tree-check.c (tree_check_warning): First arg changed to cond;
7003         warning reformatted.
7004         (tree_check_init): Reset the TREE_VISITED bit on every CFG node.
7005         (tree_scan): New.
7006         (tree_check): Process trivial condates.
7007         (read_delimited_string): Removed.
7008         (print_cond): Print name and msg.
7009         (conds[]): Made extern.
7010         (parse_tree_check_file_once): Rewritten to use the parser in
7011         condate.y.
7012         Processing of option --tree_check_string moved to tree_scan().
7013         * Makefile.in: Added condate.y
7014
7015 2007-03-12  Sebastian Pop  <sebastian.pop@inria.fr>
7016
7017         * tree-pretty-print.c (dump_generic_bb_buff, lazy_dump_generic_node):
7018         Use VECs instead of varrays.
7019         * diagnostic.h (lazy_dump_generic_node): Update declaration.
7020         * Makefile.in (pretty-print.o): Depend on vec.h.
7021         * pretty-print.c: Include tree.h and vec.h.
7022         (pp_clear_state, pp_write_list_to_stream, pp_base_format,
7023         pp_base_format, pp_construct, pp_base_string, pp_lazy_mode,
7024         new_tree_chunk, pp_add_tree, pp_add_string, pp_add_char, pp_write_list,
7025         pp_free_list): Use VECs instead of varrays.
7026         * pretty-print.h: Do not include varray.h.
7027         (struct tree_chunk_s): Declaration moved before its use.
7028         (output_buffer): Rename varray field to chunks.
7029         * tree-match.c (tree_equal, chunk_1st_char, chunks_lookahead,
7030         tree_1st_char, match_chunks_pattinfo, match_tree_pattinfo,
7031         save_global_holes): Use VECs instead of varrays.
7032         * tree-match.h: Declare VECs of cfg_node, and hole_p.
7033         * tree-check.c (scan_cfg_stmts, push_node,
7034         print_matching_stmt): Removed.
7035         (tree_check_instance, push_global_holes_if_new, tree_check,
7036         execute_tree_check): Use VECs instead of varrays.
7037         (gate_tree_check): Don't execute the CFG check when basic_block_info
7038         is not available.
7039
7040 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7041
7042         * Merge from mainline (r115016:120733).
7043
7044 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7045
7046         * Merge from mainline (r117632:117661).
7047
7048 2007-01-12  Sebastian Pop  <sebastian.pop@inria.fr>
7049
7050         * tree-dump.c (dump_option_value_in): Add TDF_DEBUG.
7051         * tree-pass.h (TDF_DEBUG, debug_p): New.
7052         * tree-scalar-evolution.c (set_scalar_evolution, get_scalar_evolution,
7053         get_scalar_evolution, add_to_evolution, set_nb_iterations_in_loop,
7054         get_loop_exit_condition, analyze_evolution_in_loop,
7055         analyze_initial_condition, analyze_scalar_evolution,
7056         instantiate_parameters, number_of_latch_executions): Use debug_p.
7057         * tree-chrec.c (chrec_apply): Use debug_p.
7058         * tree-data-ref.c: Include graphite.h.
7059         (dump_data_reference): Print also the access matrix.
7060         (analyze_array, analyze_indirect_ref, init_data_ref,
7061         analyze_offset_expr, address_analysis, object_analysis,
7062         create_data_ref, finalize_ddr_dependent,
7063         non_affine_dependence_relation, analyze_ziv_subscript,
7064         analyze_siv_subscript_cst_affine,
7065         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7066         can_use_analyze_subscript_affine_affine, analyze_siv_subscript,
7067         analyze_miv_subscript, analyze_overlapping_iterations,
7068         build_classic_dist_vector, subscript_dependence_tester,
7069         compute_affine_dependence, analyze_all_data_dependences): Use debug_p.
7070         (build_access_matrix_with_af): No longer static.
7071         * tree-data-ref.h (scop_p): ... declaration here.
7072         (data_reference.scop): New field.
7073         (DR_SCOP, DR_ACCESS_MATRIX): New.
7074         (build_access_matrix_with_af, dr_num_subscripts): Declared.
7075         * graphite.c (print_graphite_bb): Call dump_data_references.
7076         (print_scop): Use scop_nb_loops and scop_dim_domain.
7077         (test_for_scop_bound): Use debug_p.
7078         (scan_tree_for_params): Use scop_nb_loops, scop_nb_loops and
7079         scop_nb_params.
7080         (scop_loop_index): Moved...
7081         (scop_record_loop): New.
7082         (build_scop_loop_nests): Use scop_record_loop.
7083         (build_scop_domain): Use scop_dim_domain.
7084         (build_access_matrix): Implemented.
7085         (build_scop_canonical_schedules): Use scop_nb_loops.
7086         (build_graphite_bb): Initialize GBB_SCOP.
7087         * graphite.h (scop_p): Moved...
7088         (graphite_bb.scop): New field.
7089         (graphite_bb.iteration_domain, GBB_DOMAIN, scop.nb_params,
7090         scop.nb_loops, scop.dim_domain, SCOP_NB_LOOPS, SCOP_NB_PARAMS,
7091         SCOP_DIM_DOMAIN, SCOP_STMTS): Removed.
7092         (scop_nb_params, scop_nb_loops, scop_dim_domain, gbb_dim_domain,
7093         scop_loop_index): New.
7094         * Makefile.in (tree-data-ref.o): Depends on graphite.h.
7095
7096 2007-01-05  Sebastian Pop  <sebastian.pop@inria.fr>
7097
7098         * Merge from mainline (r117661:120450).
7099
7100 2006-10-12  Sebastian Pop  <sebastian.pop@inria.fr>
7101
7102         * tree-scalar-evolution.c (instantiate_parameters_1): Don't stop
7103         at the first declaration outside the varying loop, instantiate as
7104         far as possible.
7105         * tree-chrec.c (for_each_scev_op): New.
7106         * tree-chrec.h (for_each_scev_op): Declared.
7107         * tree-ssa-loop.c (pass_graphite_trans): Don't dump the function.
7108         * tree-data-ref.c (get_references_in_stmt,
7109         find_data_references_in_stmt): New, from trunk.
7110         (find_data_references_in_loop): Use get_references_in_stmt
7111         and find_data_references_in_loop, modified as in trunk.
7112         (build_access_matrix_with_af): New.
7113         * tree-data-ref.h (data_reference): Add a field access_matrix.
7114         (data_ref_loc): New, as in trunk.
7115         * graphite.c (print_graphite_bb, bb_in_scop_p, stmt_in_scop_p,
7116         invariant_in_scop_p, param_index, scan_tree_for_params,
7117         scop_loop_index, build_scop_loop_nests, build_scop_domain, irp_data,
7118         idx_record_param, idx_record_params, build_access_matrix,
7119         build_scop_data_accesses, build_scop_canonical_schedules,
7120         build_graphite_bb, build_scop_bbs, find_params_in_bb,
7121         build_scop_params): New.
7122         * graphite.h (graphite_bb): New.
7123         (scop): Add fields static_schedule, params, loop_nest,
7124         iteration_domain.
7125         * lambda.h: Declare vecs of lambda_matrix.
7126         * tree-flow.h (print_loop_ir_bb): Declared.
7127         * tree-cfg.c (print_loop_ir_bb): New.
7128         (print_loop): Use print_loop_ir_bb.
7129
7130 2006-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
7131
7132         * Merge from mainline (r115016:117632).
7133
7134 2006-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
7135
7136         * graphite.c (debug_scops): Adjust definition for avoiding a bootstrap
7137         break due to a warning.
7138
7139 2006-10-10  Sebastian Pop  <pop@cri.ensmp.fr>
7140
7141         * graphite.c (print_scops, debug_scops): New.
7142         (graphite_transform): Renamed graphite_find_transform.
7143         * graphite.h (debug_scops): Declared.
7144
7145 2006-08-17  Sebastian Pop  <pop@cri.ensmp.fr>
7146
7147         * tree-match.c: Reformat following the GNU style.
7148         * tree-match.h: Reformat following the GNU style.
7149         * tree-pattern.h: Removed empty file.
7150         * Makefile.in: Remove references to tree-pattern.h.
7151         * tree-check.c: Reformat following the GNU style.
7152         (execute_tree_check): Move gate condition code to...
7153         (gate_tree_check): ...here.  New function.
7154         (pass_check): Use the gate function.
7155
7156 2006-07-04  Nic Volanschi <nic.volanschi@free.fr>
7157
7158         * tree-pattern.h: New. Tree pattern matching and checking using
7159         concrete syntax.
7160         * tree-check.c: New. Tree/CFG checking pass.
7161         * tree-match.c: New. Library for tree pattern matching.
7162         * opts.c, common.opt: Add options --ftree-check & --ftree-checks.
7163         * toplev.c, flags.h: Add globals for tree-check pass.
7164         * Makefile.in: Integrate the files in tree-check pass.
7165         * timevar.def, tree-optimize.c, tree-pass.h: Register tree-check pass.
7166         * pretty-print.c, pretty-print.h, tree-pretty-print.c, diagnostic.h:
7167         Introduce a "lazy" pretty-print mode.
7168         * tree.c, tree.h: Add tree_name.
7169
7170 2006-07-04  Sebastian Pop  <pop@cri.ensmp.fr>
7171
7172         * doc/invoke.texi (-fgraphite): Correct typo.
7173         * tree-scalar-evolution.c (number_of_iterations_for_all_loops): Update
7174         use of print_loop_ir.
7175         * gcc.dg/graphite/scop-1.c: New.
7176         * gcc.dg/graphite/scop-2.c: New.
7177         * gcc.dg/graphite/graphite.exp: New.
7178         * graphite.c: Include domwalk.h.
7179         (print_scop): Print only the entry and exit blocks.
7180         (debug_scop): No longer static.
7181         (affine_expr): Fix formating.  Return also true when the expression is
7182         constant.
7183         (stmt_simple_for_scop_p): Fix formating.
7184         (build_scops): Use domwalk.
7185         (get_loop_start, end_scop, test_for_scop_bound): New.
7186         (graphite_transform_loops): Avoid printing on stderr.
7187         * graphite.h (debug_scop): Declared.
7188         * tree-flow.h (debug_loop_ir, print_loop_ir): Update declarations.
7189         * Makefile.in (graphite.o): Depend on domwalk.h.
7190         * tree-cfg.c (print_loop, print_pred_bbs, print_succ_bbs): Remove
7191         declarations for static functions.
7192         (print_loop, print_loop_ir, debug_loop_ir): Use an extra parameter for
7193         controlling output verbosity.
7194
7195 2006-06-26  Sebastian Pop  <pop@cri.ensmp.fr>
7196             Plesco Alexandru  <shurikx@gmail.com>
7197
7198         * doc/invoke.texi (-fgraphite): Document.
7199         * tree-pass.h (pass_graphite_transforms): Declared.
7200         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
7201         * tree-ssa-loop.c (graphite_transforms, gate_graphite_transforms): New.
7202         (pass_graphite_transforms): Defined.
7203         * tree-data-ref.c (free_data_ref, data_reference): Extern.
7204         * tree-data-ref.h (free_data_ref, data_reference): Declared.
7205         * graphite.c, graphite.h: New.
7206         * common.opt (fgraphite): Declared.
7207         * tree-flow.h (graphite_transform_loops): Declared.
7208         * Makefile.in (OBJS-common): Add graphite.o.
7209         (graphite.o): New rule.
7210         * passes.c (pass_graphite_transforms): Scheduled.
7211